Complete Uppers

Complete upper 16" m4 flat top.

Dissipator flat top upper 16".Caliber: 223 Rem | 5.56 NATOBarrel: 16"Receiver: A3 Flat TopSights: A2 Front Sight

Caliber:5.56 nato (.223 rem), barrel length:16, barrel material:4150 cmv, barrel finish: salt bath nitride, barrel thread pitch: x 28, twist rate:1:7, gas system: carbine-length gas system, upper...

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.Features :M4 Feed RampsForward AssistUpper Receiver

Complete upper 16" flattop hvy.

Aeroprecision m4e1-t complete upper 16" mid-length barrel Other Features: M4e1 threaded upper receiver forged 7075-t6 aluminum 15" atlas s-one mlok handguard hardcoat anodized, 1:7 twist threaded...

Pair this 12.5 5.56mm BANSHEE upper group with the Mk4/standard AR15 lower group of your choice to create a compact AR pistol or SBR that blends maneuverability with carbine like ballistic...

Complete upper 20" flattop hvy.

This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs...

300BLK has proven itself to be an incredibly capable round in a variety of applications from close quarters to mid-range and ammo loadings optimized for subsonic/suppressed as well as supersonic...

This mil-spec rifle kit comes with a 16" chrome moly vanadium barrel, hardcoat anodized upper receiver, 5 position m4 stock and a2 flash hider.Lower parts kit with black polymer grip included...

Manufacturer Aero PrecisionUPC 815421022292SKU APAR505621Width 4.0000Length 30.0000Height 3.7500Weight 3.9000Style Assembled

Aeroprecision m4e1-t complete upper 11.5" 5.56 barrel Other Features: M4e1 threaded upper receiver forged 7075-t6 aluminum 9" atlas r-one mlok handguard hardcoat anodized, 1:7 twist threaded...

Battle Arms Development Workhorse, Upper Receiver Assembly, 223 Remington/556nato, 16" Barrel, Mid-length Gas System, Anodized Finish, Black, A2 Flash Hider, Workhorse 15" M-lok Free Float Handguard,...

Whether you�re looking to finish up your next .22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and...

CMMG was the first to bring a 4.6x30mm firearm to the U.S. civilian market continuing a tradition of innovation shooters everywhere can now build a light recoiling flat shooting PDW (personal defense...

Whether you�re looking to build a AR15 for plinking training or small-game hunting this .22 LR RESOLUTE Upper Group fits the bill perfectly. The Mk4 .22 LR upper is designed to work with any standard...

Personal defense calibers like 5.7x28mm have become a big thing in the last few years and if you�re looking for PDW ballistics and the classic style and balance of a carbine then you�re in luck...

Mk18 riii urg 5.56mm 10.3" fde.23-004-81721-011.Caliber: 223 Rem | 5.56 NATOBarrel: 10.3" GovernmentFinish: Matte BlackSights: No Sights

Tacstars new carbon fiber handguards are a rugged, highly functional addition to your ar.Carbon fiber offers an unbeatable strength to weight ratio, offering durability and toughness to go along with...

The complete upper is constructed of billet machined 7075-t6 aluminum with proprietary extended aluminum hand guard w/ magpul m-lok mounting system and integrated upper/hand guard stainless steel...

Franklin armory's f17 spr upper is constructed of forged 7075-t6 aluminum with a hard coat type iii anodized black finish.It features a tml-12 free float and knurled handguard and a custom designed...

The durability, reliability and excellent build quality of 2A Armament uppers will provide years of service you can count on.Features :M-LOK HandguardComplete Upper556NATO

Cmmgs resolute lineup is engineered with purpose for those who refuse to compromise on quality.Each resolute upper comes with a 16-inch barrel and is designed for balance, accuracy and...