Hunting & Archery Equipment › brownells brn 4 upper receiver

Brownells Brn-4 416/Mr556 Complete Bolt Carrier Group - Brn-4 416 Type Complete Bcg Nitride

BRN-4 Complete Bolt Carrier Group for 416 Type Firearms This Completely assembled BRN-4 Bolt Carrier Group is ready to drop into HK 416, MR556 or other compatible upper receivers & firearms. Utilizing high quality materials, finishes and inspection... more

Brownells Brn-4 Stripped Upper Receiver Billet

Assemble your own BRN-4 Upper Receiver Assembly Machined from billet aluminum the new BRN-4 Stripped Upper Receiver mates perfectly with the Brownells BRN-4 barrels, gas system components and bolt carrier group. Assemble a BRN-4 Upper Receiver Group... more

Daniel Defense DDM4V7 Pro URG 5.56 1-7 S2W LPG MFR XS Rail 15.0 DD Muzzle Climb Mitigator Gen II BCM Mod 4 CH Upper Receiver Complete 18in

Daniel Defense DDM4V7 Pro URG 5.56 1-7 S2W LPG MFR XS Rail 15.0 DD Muzzle Climb Mitigator Gen II BCM Mod 4 CH Upper Receiver Complete 18in. 56 Upper Receiver to gain a competitive advantage during your multi-gun matches. These AR15 Upper Receivers... more

DoubleStar DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black ARBU404

DoubleStar DS-4 AR-15/M4 Flattop Upper Heavy Match Barrel 16 inch 5.56/.223 1-9 Twist A1 Muzzle Device Black ARBU404. 5.56 Nato 1.9 twist M4 Feed Ramps Forged upper Specifications for DoubleStar DS-4 AR-15/M4 Flattop 16" Upper Receiver:... more

Fostech Lite Upper Complete Upper Receiver Black Nitride Bolt Carrier Group Patriot Brown 6204-PB

Fostech Lite Upper Complete Upper Receiver Black Nitride Bolt Carrier Group Patriot Brown 6204-PB. FosTecH Complete Lite Upper reciever Specifications for Fostech Lite Upper Complete Upper Receiver: Manufacturer: Fostech Condition: New Features of... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 10.4" Assembled Upper Receiver Heavy Barrel

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 preferred HK 416 compatible handguard and any 1/2-28 muzzle device,... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 16" Assembled Upper Receiver Medium Barrel

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 preferred HK 416 compatible handguard and any 1/2-28 muzzle device,... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 14.5" Assembled Upper Receiver Medium Barrel

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 preferred HK 416 compatible handguard and any 1/2-28 muzzle device,... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 10.4" Assembled Upper Receiver Medium Barrel

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 preferred HK 416 compatible handguard and any 1/2-28 muzzle device,... more

Brownells Brn-4� Upper Receiver Assemblies With Chrome Lined Barrels - Brn-4 13.7" Chrome Lined Asse

Assembled from All New Components Now with Chrome Lined Barrels The BRN-4 Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your preferred HK 416 compatible handguard and any 1/2-28 muzzle... more

Brownells Baking Lacquer Liquid - 16 Oz. Coyote Brown Baking Lacquer

Many guns and parts out there can't be finished with the old standard finishes like hot salts bluing, rust bluing or nickel plating. Including, those late Winchester 94s; engraved, or gray finished receivers; or low-dollar guns whose owners don't... more

Brownells Ar-15/M16 Upper Receiver Action Block

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective... more

Brownells Ar-15/M16 Barrel Extension Torque Tools - Ar-15/M16 Barrel Extension Torque Tool

Handy tool aids in applying straight-line torque for fast, easy installation of the barrel nut without scratching the exterior of the upper receiver. Helps ensure the right amount of torque is evenly applied, while maintaining proper alignment of... more

Brownells Car-15/M4 Buttstock Wrench - M4 Buttstock Wrench

Dedicated wrench has four precision-machined teeth that ensure full, non-slip engagement of all four notches in an M4-type receiver extension nut for easy removal and installation of collapsible carbine buttstocks. Transfers all the torquing force... more

Brownells Unplated Steel Flat Head Wood Screw Kit - 4x3/4" Steel Flat Head Wood Screws Blued 12 Pack

Just the ticket when you need to brown or blue a wood screw - no plating to grind off. In a handy, clear, bench box. U.S. made with 82° shoulder to fit standard countersinks. Mfg: Brownells SPECS: Kit Contains 12 Each Of Following Sizes: 2x�";... more

Brownells Unplated Steel Flat Head Wood Screw Kit - 6x3/4" Steel Flat Head Wood Screws Blued 12 Pack

Just the ticket when you need to brown or blue a wood screw - no plating to grind off. In a handy, clear, bench box. U.S. made with 82° shoulder to fit standard countersinks. Mfg: Brownells SPECS: Kit Contains 12 Each Of Following Sizes: 2x�";... more

Brownells Unplated Steel Flat Head Wood Screw Kit - 8x3/4" Steel Flat Head Wood Screws Blued 12 Pack

Just the ticket when you need to brown or blue a wood screw - no plating to grind off. In a handy, clear, bench box. U.S. made with 82° shoulder to fit standard countersinks. Mfg: Brownells SPECS: Kit Contains 12 Each Of Following Sizes: 2x�";... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1.250"-18 Tpi Tap

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Tap

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... more

Brownells Unplated Steel Flat Head Wood Screw Kit - 2x1/4" Steel Flat Head Wood Screws Blued 12 Pack

Just the ticket when you need to brown or blue a wood screw - no plating to grind off. In a handy, clear, bench box. U.S. made with 82° shoulder to fit standard countersinks. Mfg: Brownells SPECS: Kit Contains 12 Each Of Following Sizes: 2x�";... more

Brownells Ar-15 Replacement Bore Mops - Ar-15 Replacement Cotton Mop

Make short work of cleaning heavily fouled AR-15 upper receivers, right down to the locking lug recess. Wool mop quickly loosen stubborn carbon residue from the bolt carrier way and locking lug recess. Mfg: Brownells more

Brownells Ar-15 Replacement Bore Mops - Ar-15 Replacement Wool Mop

Make short work of cleaning heavily fouled AR-15 upper receivers, right down to the locking lug recess. Wool mop quickly loosen stubborn carbon residue from the bolt carrier way and locking lug recess. Mfg: Brownells more

Brownells Ar-15 Replacement Brush - Ar-15 Replacement Receiver Brush

Make short work of cleaning heavily fouled AR-15 upper receivers, right down to the locking lug recess. Specially sized and shaped bronze receiver brush quickly looses stubborn carbon residue from the bolt carrier way and locking lug recess. Mfg:... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1-3/16-16 Carbon Steel Hex Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... more

Brownells Ar-15 Barrel Installation Kit

Handy kit contains two Brownells tools that AR-fans all over the country have told us are indispensable for removing and installing barrels quickly. Our Upper Receiver Action Block wraps completely around any standard A2 carry handle or A3/A4/M4... more

Colt Ar-15/M16 9mm Dedicated Conversion Block - Ar6951 9mm Conversion Unit Adapter

Genuine Colt 9mm AR-15/M16 magazine well adapter converts standard AR-15/M16 lowers for use with Colt 9mm Upper Receivers. Accepts Colt 9mm style magazines, such as those from Metalform or Brownells. Includes ejector and feedramp. Adapter is... more

Brownells Ar-15/M16 Armorer's Small Parts Kit - Ar-15 Armorer's Small Parts Kit

Designed for the armorer or gunsmith who services a lot of ARs! This extensive kit includes the key small components for both the upper and lower receiver to keep your customers', department's, or agency's AR-15s ready for action. Also great for... more

Brownells Ar-15 Armorer's Wrench

Brownells new AR-15 Armorer's Wrench works with either encapsulated or peg-style barrel nuts. The long handle ends with a carbine buttstock wrench that features four teeth that ensure full engagement of all four notches in an M4-style receiver... more

Brownells Ar-15 M16 A1 Upper Receiver - Brn-16a1 M16a1 Upper Receiver Black

Designed in conjunction with Nodak Spud, the Brownells M16A1 Upper Receiver matches the features of the original M16A1 Receiver. Perfect for a "Retro" or reproduction build, these uppers precisely mirror the original profile. This match is only... more

Volquartsen Llv Competition Upper Receiver 4.5" Ts Black

A hard anodized CNC-machined billet receiver is the foundation of this lightweight setup. The complete barreled receiver weighs under 16oz! The receiver and barrel shroud are precision-machined as one piece from aluminum alloy. An integral Picatinny... more

Brownells Ar-15 Slickside Upper Receiver - Ar-15 Slickside Upper Receiver Black

The Brownells AR-15 / M16 Slickside Upper Receiver precisely mirrors the contours of the original, early AR-15 upper receiver. Perfect for your next "Retro" or reproduction build, our upper has the following features specific to the original... more

Brownells Brn-22 Stripped Receiver For Ruger 10/22 - Brn-22r Stripped Railed Receiver

The Brownells BRN-22 Receiver is ready to be the foundation of your custom rimfire rifle build - at price never before seen on a target receiver. Even better, the BRN-22 is fully compatible with the ever-popular Ruger 10/22, so you can choose from... more

Brownells Brn-22 Stripped Receiver For Ruger 10/22 - Brn-22 Stripped Standard Receiver

The Brownells BRN-22 Receiver is ready to be the foundation of your custom rimfire rifle build - at price never before seen on a target receiver. Even better, the BRN-22 is fully compatible with the ever-popular Ruger 10/22, so you can choose from... more

Colt Ar-15 Le6960-Ccu Upper Receiver 5.56 M-Lok - Le6960-Ccu Upper Receiver 5.56 M-Lok Black

Brownells and Colt have teamed up to offer the LE6960-CCU Upper Receiver which is the same as found on the Colt LE6960-CCU, or Colt Combat Unit Carbine AR-15. Designed with direct input from veteran trainers Mike Pannone, Daryl Holland, and Ken... more

Stern Defense Ar-15 Sd Mod 4 9mm Upper Receiver M-Lok Complete - Sd Mod 4 9mm Upper Receiver 16.1in

The Stern Defense SD Mod 4 9mm Upper Receiver is a complete, ready to go, upper receiver solution for those looking to spend less time building and more time shooting. The 16.1 inch, 1-10 twist, Melonited barrel, is free float in a 12in M-LOK... more

Brownells Brn-22 Takedown Stripped Receiver For Ruger! 10/22 - Brn-22tr Stripped Railed Receiver For

The Brownells BRN-22 Takedown Receiver is ready to be the foundation of your custom rimfire rifle build - at price never before seen on a target receiver. Even better, the BRN-22 Takedown is fully compatible with the ever-popular Ruger... more

Brownells Ar-15 C7 Stripped Upper Receiver - Ar-15 C7 Stripped Upper Receiver Black

Brownells expanded its lineup of retro AR-15 components with the new Brownells C7 Stripped Upper Receiver. This unique receiver design features the correct carry-handle contours for Canadian C7 clones or the Colt Model 723 used by the military... more