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Step up your military clone rifle game with our high-end M16 A4 Upper Receiver Group. This sophisticated piece of weaponry is directly derived from current issue M16A4 model rifles and comes with a Colt barreled upper receiver, US Military spec P&S Products / Provident American M5 RAS. Assembled with the utmost precision and care, this new upper receiver group, complete with Colt oil on the barrel and receiver, and BCG, is set to impress even the most discerning firearm enthusiasts.
Authentic Colt M16A4 Barreled Upper Assembly Experience the military-grade performance with our Colt M16A4 Barreled Upper Assembly. It's complete with a "C" stamped 20" chrome lined M16 barrel, A2 front sight post, and A2 flash hider.
Milspec M5 RAS Experience the quality of the US Military spec Knights Armament M5 RAS, the standard issue with modern M16 military rifles. It's installed by the reliable Charlie's Custom Clones for enhanced durability and functionality.
Exceptional Barrel Features Our Colt 20 Inch 1/7 twist Mil-Spec chrome lined MP tested barrel comes with 0.75" gas port journal and is phosphate coated for longevity. Expect superior performance thanks to the 4150 phosphate coated steel barrel with military spec, rifle profiling.
High-Quality Upper Receiver The Colt Flat top receiver features engraved and painted T markings, either Cerro forged or Brass Aluminum forged, ensuring superior durability. It's hard coat anodized with an interior dry lube, per military spec.
Bolt Carrier Group and Charging Handle The Colt bolt carrier group (BCG) and charging handle come factory installed for your convenience. Expect various markings on Colt Bolts and Carriers, often faint, but a proof of authenticity.
No vertical grip is included. You can add a KAC vertical grip here, if you wish. If we are out of stock, as one of Charlie's sales team (either by chat, by phone or email -- see Contact Us), we usually reserve a few for customers buying complete uppers or rifles.
Note: This is a take-off from a full Colt factory rifle. Colt has installed the barrel to the receiver, and the BCG and charging handle, as well as installing the front sight base and the flash hider. Charlie's has replaced standard polymer handguards with a new or new old stock Knights Armament M5 style RAS.
Q: Is this a factory-assembled product?
A: Yes, this is a factory-assembled product by Colt, with the M5 RAS installed by Charlie's Custom Clones.
Q: What materials is the barrel made of?
A: The barrel is made from 4150 phosphate coated steel, ensuring its durability and longevity.
Q: What markings can I expect on the bolt and carrier?
A: Colt bolts and carriers will have various markings, often times the bolt is marked "MPC", but sometimes it is very faint. The carrier will usually, but not always, have a "C" mark, which can be faint or sometimes not present.
Q: Is the Colt M16 A4 Upper Receiver Group - Complete 20" a new or used product?
A: This is a new upper receiver group, taken off a full Colt factory rifle. It's shipped in military-grade plastic with Colt oil on the barrel and receiver, and BCG.
Q: Does the product come with a vertical grip?
A: No, the product does not come with a vertical grip. However, you have the option to add a KAC vertical grip if you wish. Please contact our sales team if you're interested.
Q: Who is responsible for installing the M5 RAS?
A: The M5 RAS is installed by Charlie's Custom Clones, ensuring top-notch quality and performance.
Q: What type of receiver does this product come with?
A: The product comes with a Colt flat top receiver featuring engraved and painted T markings. It can be either Cerro forged or Brass Aluminum forged.
Q: What is the caliber of this product?
A: The M16A4 is 5.56mm, and can also shoot .223 ammo
Q: Are the rail covers included with the product?
A: Yes, Mil Spec KAC style 11-rib RAS rail covers are included with the product. These are identical to Knights Armament.
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