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Upgrade or start your AR15 build...
This complete upper includes our 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...
This AR-15 upper features an 8" .300 Blackout barrel, perfect for both close-quarters combat and precision shooting. The pre-attached 7" Logic M-LOK handguard offers a lightweight, durable...
This complete upper includes our S-ONE Handguard. The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary...
This complete upper includes the Stag Arms Slimline Handguard. The Slimline handguards have a unique milling profile, designed to maximize grip ergonomics and minimize weight while still providing...
This complete upper includes the Stag Arms Slimline Handguard. The Slimline handguards have a unique milling profile, designed to maximize grip ergonomics and minimize weight while still providing...
This complete upper includes our Slimline Handguard. The Slimline handguards have a unique milling profile, designed to maximize grip ergonomics and minimize weight while still providing plenty of...
Shop M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Gov Barrel w/ 13.5" Slimline Handguard - Kodiak Brown Anodized and more at AeroPrecisionUSA.com!
Constructed of heavy-duty reinforced polymer, MOE 1911 Grip Panels have a unique diamond-shaped cross section to prevent twisting in the hand, an aggressive magazine release cut-out, a positive...
Enhance the Capabilities of Your Precision Rifle Platform The MDT BRN-1 M-LOK Chassis system is designed to provide an enhanced rifle setup for owners of a number of popular rifle actions. The...
The Brownells BRN-22 Receiver is ready to be the foundation of your custom rimfire rifle build. Each BRN-22 receiver is precision-machined from 6061 aluminum billet to exacting tolerances. Why...
Build your own upper receiver kit!
The BRN-4® is now available as an Build Kit. Simply add your preferred HK® 416 compatible handguard and any 1/2-28 muzzle device, and you’re ready to...
Assembled from All New Components – Fits Standard AR-15 Lowers
The BRN-4® Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your...
Attachment Type: M-LOK
Barrel Length: 16.00
Item Height (Inches): 2.375
Barrel Contour: Lightweight
Cartridge: 350 Legend
Gas Block Diameter: N/A
Color: Black...
The Daniel Defense M4A1 SOCOM Block II Upper Receiver has been designed for those looking to match the specs and performance on the M4A1 SOCOM Block II carbines used by troops during Operations...
The Howa 1500 6.5 Creedmoor Barreled Action is a great platform for shooters who want to build their own long range, precision rifle at an affordable price. Starting with a standard-dimension...
BRN-4 COMPLETE UPPER RECEIVERS
Assembled from All New Components, Now with Handguard and Muzzle Device
The BRN-4® Upper Receiver is now available as a Complete Upper, with Handguard...
AR-15/M16 SLICKSIDE 601 UPPER RECEIVER
The Brownells AR-15 / M16 Slickside Upper Receiver precisely mirrors the contours of the original, early AR-15 upper receiver. Perfect for your next "...
Assembled from All New Components – Fits Standard AR-15 Lowers
The BRN-4® Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your...
One-piece, low profile, steel gas block fits under most free-float handguards for a clean, uncluttered look. Models available to fit .625", .750" or . 936" O.D. barrels. Locks securely to barrel...