Colt 6940 upper. Review Subject Required.

Colt 6940 upper 223 Remington) 16" barrel 1:7" Twist Threaded muzzle with A2 style flash hider Carbine length direct impingement gas system Includes pivot pin adapter to mount upper on Colt lower receivers with large pivot pins Flip front sight base Full auto capable bolt carrier group The single-piece, monolithic upper on this Colt CR6940 AR-15 Semi-Automatic Rifle is often under appreciated. Of the 24 Colt AR's, I have 8 AR's and 5 upper receiver conversions that are from the 6940 series. 56 NATO AR-15 Rifle is a gas-operated semi-automatic weapon that offers reliability and accuracy for personal defense or sport. © 1999-2025 GunBroker. 56 NATO 16. I imagine Colt Mfg CR6940 Monolithic Carbine 5. The upper I got came in the blue box and does not look to have been shot or messed with. I will write more about this piece soon. law enforvement / SWAT upper The Colt LE6943CK Monolithic Upper Assembly feature's Colt's law enforcement fully unitized URG. Featuring a flat-top upper Built from the factory as a complete upper assembly kit, not stripped from a rifle outside of the factory, you can rest assured you are purchasing a genuine Colt product. On the bottom is a Colt MARC 901 in factory FDE with a Trijicon VCOG, the upper in the middle is a Colt 6944CK upper (14. 16. Special Operations Command (SOCOM). Come join the discussion about Colt pistols and rifles, optics, hunting, gunsmithing, styles, reviews, accessories, It seems that the Barrel attaches The ColtParts. The spectacular end to the evaluation aside, the Colt 6940 was a popular gun with the students. 1in Matte Black Semi Automatic Modern Sporting Rifle - 20+1 Rounds - The advantage of the LE6940 is unmatched. It may be on a different lower perhaps. At $800 go buy it now ! I don't remember seeing any LE6940's with the Restricted Roll Mark on the left side , but it could be right. With the 4-position buttstock fully retracted, the Law Enforcement Carbine is less than 32 Gun Details. 57 MSRP Colt 6940 upper. 5 pounds, and only 9. Matech rear sight. 47 new The new value of a COLT LE6940 rifle has risen $5. This 4 step milling machine operation will allow COLT AR’s made in the 1990’s to accept the front M16 pivot pin, spring and detent – instead of the (single The upper receiver is made with Colt’s 1-piece upper receiver (actually two pieces due to the bottom handguard being removable) which offers several enhancements to the weapon. COLT LE6940P Advanced Gas Piston Operated Carbine Description The Colt LE6940P is an advanced modular, 5. The confusing thing though is that the upper receiver has a C stamped receiver with no patent number, but it has a cage code marked barrel. Discussion forums for GunBroker. , flip-up adj. The Colt IAR6940 is a squad automatic weapon designed by Phil Hinckley and manufactured by Colt's Manufacturing LLC. Purchase. The LE6940 features Colt’s monolithic upper receiver, which provides a one piece Picatinny top rail and rigid mounting surfaces all around, in addition to a completely free floated barrel. This information supports the hand written letters on the box. At the heart of this M4 carbine is a patented, one-piece monolithic I recently picked up a Colt LE6940 for my California registered Colt lower. 56mm NATO 16. 95. Arms Unlimited Colt MK12 HBAR 18″ Upper Receiver Assembly; LE6920SCMCK SOCOM. The Colt IAR was made to compete with the FN HAMR and M27 Infantry Automatic Rifle for the IAR program. 1 inches (rifling 1 in 7 twist) Weight: 6. 56mm NATO (accepts . Here are my first hand observations regarding patent numbers, cam pin plates, and roll marks: 6940, LE045XXX: no patent number; no cam pin plate; “M4LE” roll mark 6940, LE048XXX: no patent number; no cam pin plate; “Law Enforcement Carbine” roll mark The Colt LE6940 rifle (LE for Law Enforcement) has some of the most wanted modifications, including a choice of operating systems, as it can be had in either the original Direct Gas Impingement (DGI) system or Colt’s Piston Impingement System (PIS) which is a variation of a long established and well tested operating system in military rifles This Colt 6940 features mil-spec furniture with an M4 profile barrel. This assembly boasts Colt's groundbreaking monolithic upper receiver, featuring an uninterrupted full-length front rail for The LE6940 displays fresh ingenuity with mil-spec hammer and trigger pivot pins, a magpul MBUS iron sight and a folding front sight for enhanced optical solutions, a straight gas tube and a removable lower rail which provides modularity for Includes: Monolithic Complete Upper Assembly, Complete M4 Full Auto Bolt Carrier Assembly, Charging Handle, Folding Front and Rear Sights, Manual Features The Colt Conversion Kit contains the complete upper receiver group, Colt's LE6940 features a free-floating 16. 56mm rollmarked If I am not mistaken, I need to go back and find it, but I think he said Colt did not machine the upper for the 6940, says it was farmed out, cant recall the name of the company he mentioned Posted: 7/28/2021 11:34:04 AM EDT A COLT LE6940 rifle is currently worth an average price of $1,519. Built-in flip-up front sight is compatible with most standard height rear sights. com users. The Colt M5 also uses this same nut. I got exceptionally lucky recently and had an opportunity to buy one of the Colt / Knights Armament IAR6940H upper receiver prototypes that were part of the Colt IAR program. Interestingly, my lower has a small pivot pin hole and mate to the mil-spec small pivot pin of the Colt upper perfectly. In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. 56mm rifle as the base weapon with the 7. The manufacturer of the IAR upper receiver assembly Colt Mfg LE6940CK Upper Conversion Kit Monolithic 223 Rem/5. Oddly enough, I hadn’t set out to purchase this new model from Colt – I was originally looking for the “non-P” Colt In addition to an uninterrupted full-length front rail, the upper receiver allows for a free-floated barrel. 75″x3. 56 NATO cal. These rifles are BRAND NEW from Colt! They are no longer providing these to the civilian market so get them while Colt LE6940 AR-15 Complete Upper Assembly LE6940CK 5. $460 shipped Zelle, and Venmo are Colt 6940 Quad Rail Carbine Colt Government Carbine is a lightweight, compact package offering 5. 85 lbs (unloaded) I recently purchased a 6940 upper to use on a Colt "M4 marked" 6920 lower I had made around 2013. 0 inches retracted Barrel Length: 16. Welcome to Buds Gun Shop, our site is intended for individuals of at least 18 years of age. Fits LE6940, Upper Receiver: Colt "Square" forging symbol - No further markings or CAGE markings: 13629 (Dot Matrix) Barrel: Colt early production stamped C MP 5. Colt submitted the 6940 5. The IAR has been adopted by both law enforcement and military organizations around the world. Whether you're building a new rifle or replacing an existing upper, our assemblies come in various configurations, including different calibers, handguard styles, and barrel lengths to meet your shooting needs. With the monolithic upper receiver, this is about as tough as a Colt can get. com Forums. With my Colt OCD, it never felt right to pair my 7. You will not see a difference in bolt carrier groups across all of Colt LE6940- 7. ergo ladder rail covers. 1-piece monolithic rail/upper; A2 grip; Collapsible stock; Magpul MBUS flip-up Based on some conversations that I have had, these uppers were Department of Energy specification and were the first production group of the 6940-series monolithic upper receivers that Colt manufactured. ) Colt M4 military handguards - double heat-shield A feature that makes the IAR6940E upper receiver discernable from a standard commercial 6940 upper receiver is the presence of the two fastener access holes forward of the ejection port at right side rail positions R19 & R21. Colt. This rifle feature’s Colt’s new monolithic upper receiver. 56 NATO 1/7 (Double Line), with all SA Reliability Package mods. com All rights reserved worldwide. The idea behind on monolithic upper allows for zero rail shift between Upgrade your firearm with our premium selection of upper receiver assemblies from Colt, Knights Armament, and others, designed for performance, reliability, and customization. Note: The Colt 6940 family of rifles are proprietary The new Colt LE6940P is an advanced modular, 5. He asking about the 6940 model Posted: 8/8/2009 7:43:44 AM EDT [#4] I need bifocals. Name Required. The Colt Infantry Automatic Rifle existed in three prototype configurations before being produced in this final configuration. Quad MIL-STD-1913 rails permit any comprehensible accessory to be mounted with ease. Compare Edit- apologies friends, there is already a 6940 pics thread. 56mm, piston-operated, lightweight, one-piece upper receiver, magazine fed carbine capable of firing in automatic and semi-automatic modes. 56mm, piston-operated, lightweight, one-piece upper receiver, magazine fed carbine capable of firing in semi-automatic mode. $1,069. The only Colt proprietary feature of the 6940 are the barrel, barrel nut, gas tube and monolithic upper receiver/ handguard, the rest of the parts are mil-spec interchangeable. 62x39 Upper Receivers. 47 . It features a monolithic upper receiver that has a Mil-Std-1913 rails at the 12, 3 and 9 In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. Armament Corporation is the manufacturer for Colt. The auctions are for 6940 upper receivers on the CR6920 'Carbine' lower receivers. A similar brand with monolithic upper receiver is Lewis Machine & Tool (LMT) MRP (etc) which sued Colt for the 6940 monolithic design and Colt agreed to pay LMT <div class="shopping-layout-no-javascript-msg"> <strong>Javascript is disabled on your browser. 62x39 upper receiver assembly for caliber modification. 56x45 NATO LE6940 Series quantity. The Colt LE6940P is an advanced modular,5. 50. Colt's LE6940 features a free-floating 16. SA originally purchased a wrench ($100+) designed by Phil My Colt 901 family. The Colt 6940 monolithic rifle is one of the most popular tactical rifles on the market, and usually one of the hardest to find. That looks to be a COLT LE6940. Two new auctions have caught attention. The 6940 is exactly the same as the 6920 except the 6940 has a monolithic upper. 3” chrome lined, 1-7 twist, button rifled However, unlike all the other competitors, Colt’s IAR 6940 submission has actually made it to market, for public sale. Colt LE6940 AR15 5. 56mm, piston operated, lightweight, one-piece upper receiver with free float barrel. front sight p search Search search Clear close Cancel search COLT LE6940 M4 MONOLITHIC CARBINE Price & Value Current Average Pricing: The average price for a COLT LE6940 M4 MONOLITHIC CARBINE is as Type: Monolithic Caliber: 223 Remington/5. Type: Monolithic Caliber: 5. Handguard: M4 Polymer Caliber: 5. It is not available for sale. A full length top rail spans from the charging handle to the front sight base. The primary differences between models is barrel length, selector positions and stocks. In addition to an uninterrupted Colt LE6940 AR-15 Complete Upper Assembly LE6940CK 5. . 56x45mm NATO Barrel Type: M4 Contour, Free-Floating Barrel Length: 16" Barrel Material: Chrome Moly Vanadium Steel Twist Rate: 1:7" Muzzle Type: A2 Flash Hider Receiver Type: A3 Flat-Top Receiver Finish: Black Parkerized Barrel Finish: Black Parkerized Thread Size: 1/2-28 Gas System: Carbine Length Includes: Complete Upper — Colt 6940/M5 Series Parts; AR-15 Accessories — Magazines — Shop Tools — SUPPRESSORS; AR-15 9mm SMG & Carbine; Books · Manuals · DVD's; Secure Payments; Upper Receiver Group, Colt LE6946 CQB. 223 Remington) 16" barrel 1:7" Twist Threaded muzzle with A2 style flash hider Carbine length direct impingement gas system Includes pivot pin adapter to mount upper on Colt lower receivers with large pivot pins Flip front sight base Full auto capable bolt carrier group The 6940’s upper receiver on the left side was peeled back and a 1. 5 ounces more than the same 6940 upper on its own lower with its own You will find them on the IAR6940 page here on the website. The competition uppers used by the Marine Corps must have been returned to Colt, or these were a prototype run that were actually never fired in the competition. 25″ flap curled up at about a 40 degree angle. Colt LE6940 series upper receiver groups = $295 Machining off the bayonet lug and surface grinding the front sight base = $50 _____ SS501 Machine Lower Receiver for M16 Pivot Pin $95 . This LE6945 is a modernized version of Colt' Commando and the military Mk18 rifle. The barrel is Colt's standard 14. I think most 6940s are older, so will have in-house parts I think. Comments Required. 5" barrel) with a Smith Enterprise Vortex flash hider pinned and welded and a Trijicon MRO, the upper on top is a Colt 6960 Combat Unit Carbine with Magpul BUIS. Another step for Colt is to The 901 lower with the Colt 6940 upper and the conversion part and empty steel 30 round mag weighed 121. Com 5. For 2020, Colt has consolidated all rollmarks into one common nomenclature as the "Colt Carbine". This design allows the special barrel nut The LE6940 features Colt’s monolithic upper receiver, which provides a one piece Picatinny top rail and rigid mounting surfaces all around, in addition to a completely free floated barrel. Many LE6940 owners have been waiting for this so we can have our barrels cut down to the proper size for an AR carbine: 14. 223 Rem/5. Not the entire rifle, but just the upper receiver. 3" Barrel. This carbine offers a patented one-piece monolithic upper receiver that incorporates a continuous Mil-Spec M1913 Picatinny rail from the rear of the receiver to the folding front sight. Filter products to compare by specs and price. The LE6940 displays fresh ingenuity with Mil-Spec hammer and trigger pivot pins, a Magpul MBUS iron sight and a folding front sight for enhanced optical solutions, a straight gas tube and a removable lower rail wh Colt M4 Monolithic . The 6940 series is my favorite design of Colt AR's. 5" chrome lined M4 barrel with an A2 flash hider Colt AR-15 6940 Upper Receiver Assembly 5. Available with 16” or 10. Capable of firing in auto or semi-automatic, the Colt LE6940P is an advanced modular, 5. Barrel date 2012 has a machined step down profile from the gas block rearward. This LE6940CK Monolithic Upper Assembly also features a gas-block mounted front flip Colt LE6940CK Monolithic Upper Receiver Assembly. 00 $1,269. The 4-position telescopic buttstock allows the Government Carbine to adapt to operators of different sizes and physical Monolithic upper receiver with flip-up rear sight Flip-up front sight 35. The selected item is out of stock, please select a different item or combination. com Barrel Nut Socket Wrench is a purpose designed tool for the removal and installation of the proprietary barrel nut found on the Colt M5, 6940 and IAR series of rifles. In addition to an uninterupted full-length front rail, this upper receiver allows for a free-floated barrel. 56x45mm NATO Barrel Type: M4 Contour, Free-Floating Barrel Length: 16" Barrel Material: Chrome Moly Vanadium Steel Twist Rate: 1:7" Muzzle Type: A2 Flash Hider Receiver Type: A3 Flat-Top Receiver Finish: Black Parkerized Barrel Finish: Black Parkerized Thread Size: 1/2-28 Gas System: Carbine Length Includes: Monolithic We have been seeing the 'new' CR6920 rifle configuration for a few weeks now. 62×39 Sporter Lightweight Rifle The LE6940 Series consists of the LE6940, LE6943, LE6944, R0923. The monlithic ColtForum is a forum community dedicated to Colt enthusiasts. Rating Required. 3” chrome lined, 1-7 twist, button rifled Colt shall not be responsible for injury, death, or damage to property resulting monolithic upper receiver with MIL-STD-1913 rails at the 12, 3, and 9 o’clock LE6940 Specifications: Length: 35. 5 inches. , GIO, 16. com database to shop for guns, ammo, mags, optics and more. Search the Guns. In addition to an uninterrupted OK, so a barrel nut tool to disassemble the Colt LE6940 barrel from it's monolithic railed upper receiver is FINALLY available. 56x45mm 30+1 16. 57 MSRP AR-15 Upper Receiver Groups — Barrel Assemblies & Parts — Upper Receiver & Parts — Rear Sights & Carry Handle — Colt 6940/M5 Series Parts; AR-15 Accessories Unfortunately - there is no way to build an "inexpensive" wrench for the 6940 nut. There was roughly 25 weapon sets and those upper receivers went into the public market in my of 2018 after Colt employees had an Has anyone looked at how to swap out a barrel on the new Colt LE6940? I am not sure how this will be done. Agency Trade-In Colt LE6940 Complete Lower Receiver $559. The upper features a In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. Stainless steel construction to mil-spec. Three prototypes were made. The 2 I have don't have that, but they are more recent ones. That upper is for sure a LE6940. It’s hard to beat a Colt. The Colt CR6940 utilizes a patented one-piece monolithic upper with a continuous mil-spec rail for unmatched repeatability with optics and laser systems. The idea behind on monolithic upper allows for zero rail shift between Introduced in 2009, the Colt LE6940 Advanced Law Enforcement Carbine is best thought of as a semi-automatic-only version of the M4 modified with Colt’s proprietary monolithic one-piece upper Colt AR15 LE 6940 M4 Monolithic Rail The Colt LE6940 Monolithic Advanced Law Enforcement Carbine is an evolution of the 6920. This photo shows my Colt IAR6940 upper receiver behind the Colt / The Colt LE6940P is a brand new rifle from Colt which only started hitting the market in March of 2012. This LE6940CK Monolithic Upper Assembly also features a gas-block mounted front flip-up sight with bayonet lug and a flip-up Magpul In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. 00. New and certified used handguns, shotguns, rifles Colt 6930 5. Review Subject Required. A continuous Mil-Spec rail allows you ample space to add your favorite optic or tactical accessory. Mine is redundant. COLT LE6940 16 INCH MONOLITHIC UPPER RECEIVER ASSEMBLY Description The Colt LE6940CK Monolithic Upper Receiver Assembly feature's Colt's new monolithic upper receiver. full floated barrel with bayonet lug and flash hider, one-piece upper receiver, 30 shot mag. In addition to an uninterrupted The Colt CR6940 Monolithic 5. This LE6943CK Monolithic Upper Assembly also features a gas-block mounted front flip-up sight with bayonet lug and a flip-up rear sight. Quick view Add to Cart. $949. Reference the attached photo showing the incomplete IAR. Barrel date is April 2009 and it is government profile under the handguard. 78 Was: $1,128. The Colt AR-15 Upper Receiver Assembly with Monolithic Rail comes complete with charging handle, bolt and bolt carrier assembly. The Colt 6940-P is a "piston" driven, monolithic 16" upper barrel assembly carbine style rifle. Now: $829. Includes some misc. incomplete commercial Colt LE6940 FDE anodized upper The response I received from Colt . History The default model of the Colt IAR. Publicly traded on Nasdaq as POWW. Agency Trade-In Colt 11. Armament Corp in 2017. Below are a few photos. Conversation containing 6940 uppers in other threads prompted me to get my ‘twins’ out. Roughly 700 rounds on it. 5 inches extended 32. LE6920SCMCK- KAC M4 RAS/Removable Carry Handle; LE6920SCMCK- Troy Rail/Matech 600M Sight; GunBroker. The monolithic upper is designed to obviate the need for an add-on rail handguard for mounting accessories. Price: $0. Heavy duty tool steel construction ensures this tool is built to last and 1/2-inches square slot for compatibility with standard torque wrenches. The monolithic design upper is built tough for tactical environments, and shares a common lower receiver with The stocks on all colt ar15s fit exactly the same as all other colt ar15s. Potomac Armory. 56 NATO with a patented one piece monolithic upper receiver. Add to cart The patented one-piece monolithic upper receiver incorporates a continuous Mil-Spec rail from the rear of the upper receiver Colt AR-15 6940 Upper Receiver Assembly 5. Email Required. The lower rail is removable provides modularity and allows for mounting accessories. Monolithic upper receiver carbine. 56mm firepower with optimal mobility. 1" Black - The Colt Conversion Kit contains the complete upper receiver group, including a charging handle, bolt carrier group, and back up sight. You save: $524. Thanks Posted: 8/8/2009 7:27:46 AM EDT barrel wrench and block to hold the upper in the vice. Up until the extractor/spring wore at approximately 15,600 rounds, we did not have a single gun-related stoppage. 98. Factory Colt carbine length straight gas tube for LE6940 series rifles. Mk18 Mod 3 CQBR Upper Colt AR-15 6940 Upper Receiver Assembly 5. More Colt minutia but this is our interest. It is based on the design of the AR-15 series of rifles. C marked carrier, MPI bolt. 4 ounces, or just over 7. The three prototypes competed for the USMC IAR contract that was eventually awarded to H&K. A Colt/6940-P marked lower should work fine with a standard, available, "direct impingement" 6940 upper. Quantity. Forgot the 6940 has a different fsb. Colt Defence LE6940_LEC; Colt Defense LLC M4 Carbine Coin; Colt Defense 3×4 Flag; Colt 7. MSRP: $1,395. 56x45mm NATO Barrel Type: M4 Contour, Free-Floating Barrel Length: 14-1/2" Barrel Material: Chrome Moly Vanadium Steel Twist Rate: 1:7" Muzzle Type: A2 Flash Hider Receiver Type: A3 Flat-Top Colt 6940 Monolithic AR-15 M4 Description: Arguably the best AR-15 variant Colt ever made! The 6940 features a monolithic upper with full Picatinny quad rail, 4-point adjustable stock, Mil-Spec trigger, H buffer, and full-auto BCG. The Colt 6940 and 6944 carbine rifle is one of the most popular tactical rifles on the market, and usually one of the hardest to find. ETA. The 12 month average price is $1,519. </strong><br> To view this site, you must enable JavaScript or upgrade AR-15 Upper Receiver Groups — Barrel Assemblies & Parts — Upper Receiver & Parts — Rear Sights & Carry Handle — Colt 6940/M5 Series Parts; AR-15 Accessories You can also see that the gas tube location is much higher than a standard AR-15 carbine and requires a Colt 6940 gas tube (straight). It features a monolithic upper receiver, increasing stability while also slighting increasing the weight with One Piece Monolithic Upper; Magpul Rear Sight; Quad Rail; 30 Round Capacity; Colt M4 Advanced Law Enforcement Carbine CR6940. The one-piece monolithic upper receiver incorporates a continuous Mil-Spec rail from the rear of the upper receiver to the front sight. Compare Compare Items. The Colt LE6940P, paraphrasing from the Colt instruction manual, is an Advanced Piston (AP) operated rifle. 10 in Matte Black Government Profile Barrel, Matte Black Steel Receiver, A2 Front/Magpul MBUS Rear Sights, Black Synthetic M4 Style Stock Black Polymer Grip, Rifle The patented one-piece monolithic upper receiver incorporates a continuous Mil-Spec rail from the rear of the upper receiver Colt LE6940 16 Inch Complete Monolithic Upper Assembly. 56mm Upper Receiver Assembly | 10. Part Number : URG061. 56 Semi-Automatic AR-15 Rifle, Blk - CR6940. I don't believe it has been commercially offered by Colt for several years, occasionally one can be found on GB. Standard Sling Swivel (bottom) - (NOT the side sling mount in the photo. U. 200 of these upper receiver assemblies were made available to the public by U. 97 dollars over the past 12 months to a price of $1,519. The one-piece monolithic upper receiver The Colt LE6940P is an advanced modular,5. Com Mobile. Also, the newer production colt rifles probably have outsourced parts. S. The flip-up front sight/gas block is a nice feature that can tuck away until you need it. 2" overall The single-piece, monolithic upper on this Colt CR6940 AR-15 Semi-Automatic Rifle is often under appreciated. Colt Carbine Length Straight Gas Tube for LE6940 Series. 62x39mm 6940 upper receiver with a 5. Own Stock. This allows The LE6940 displays fresh ingenuity with a Magpul MBUS backup sight and a folding front sight for enhanced optical Colt M4 Advanced Law Enforcement Piston Carbine 5. 56x45mm 16" Barrel Monolithic Rail. Does not have a colt charging handle, has a new plain jane aero one. The combat proven Colt LE6940 AR15 M4 carbine is a law enforcement weapon system that features many of the advantages of the military M4. 1" chrome-lined barrel that provides the enhanced accuracy necessary for long-range shooting. The Colt P0923 incorporates a unique articulating link piston (ALP) operating system that reduces the inherent stress in the piston stroke by allowing for The LE6940’s monolithic upper receiver traces its origins back to approximately 2003, when Colt competed in the SCAR (Special Operations Forces Combat Assault Rifle) program of the U. Conversion Kits are available in both the standard upper receiver with handguard configuration and Monolithic 1-piece upper receiver with free-floating barrel The Colt Infantry Automatic Rifle 6940 (commonly shortened to Colt IAR or IAR6940) is a light machine gun designed by Phil Hinckley and manufactured by American firearms manufacturer Colt. Posted Via AR15. Interestingly, it was better than its rivals with better cooling, I've owned a few Colt 6940 series rifles or upper receivers. 47 new . Being a big fan of the Colt 6940 series, I picked up one of the upper receivers. 1 in. The patented 1-piece monolithic upper receiver Colt LE6940 16 Inch Complete Monolithic Upper Assembly. We would like to show you a description here but the site won’t allow us. 5" 6933 Complete Upper Receiver Group Colt LE6943 Upper (LE6943CK) $999. 1" law enforcement for LE6940. Semi automatic AR15 chambered in 5. The barrel wrench used in the production of the 6940 upper is a proto-type / custom made tool. The LE6940P is magazine fed carbine that incorporates a unique articulating link piston (ALP) operating system that reduces the inherent stress in the piston stroke by allowing for deflection and The LE6944CK feature's Colt's law enforcement fully unitized URG. yqwiqp itrjh wxu xqov djbf inlgtqfg jrtv rnlu ekcci pccr nqcyze pephvs yowith kayeyw mooqaxt