Brownells Brn-4 Barrel Nut Wrench

Brownells Brn-4 Stripped Barrels Chrome Lined - Brn-4 16" Barrel Medium Chrome Lined/Phosphate 5.56x

Brownells BRN-4 HK 416 compatible barrels, available in a variety of lengths and two contours. Historically extremely hard to procure, HK 416 compatible barrels are now available as part of the BRN-4 lineup.These barrels machined by Faxon, fit early... ... more

Brownells Brn-4 Barrels 5.56x45mm - Brn-4 14.5" Barrel Heavy Profile 1-7 1/2-28"

Brownells BRN-4 HK 416 compatible barrels, available in a variety of lengths and two contours. Historically extremely hard to procure, HK 416 compatible barrels are now available as part of the BRN-4 lineup. These barrels machined by Faxon, fit early... ... more

Brownells Brn-4 Barrels 5.56x45mm - Brn-4 14.5" Barrel Medium Profile 1-7 1/2-28"

Brownells BRN-4 HK 416 compatible barrels, available in a variety of lengths and two contours. Historically extremely hard to procure, HK 416 compatible barrels are now available as part of the BRN-4 lineup. These barrels machined by Faxon, fit early... ... more

Brownells Brn-4 Barrels 5.56x45mm - Brn-4 16" Barrel Medium Profile 1-7 1/2-28"

Brownells BRN-4 HK 416 compatible barrels, available in a variety of lengths and two contours. Historically extremely hard to procure, HK 416 compatible barrels are now available as part of the BRN-4 lineup. These barrels machined by Faxon, fit early... ... more

Brownells Brn-4 Barrels 5.56x45mm - Brn-4 16" Barrel Heavy Profile 1-7 1/2-28"

Brownells BRN-4 HK 416 compatible barrels, available in a variety of lengths and two contours. Historically extremely hard to procure, HK 416 compatible barrels are now available as part of the BRN-4 lineup. These barrels machined by Faxon, fit early... ... more

Brownells Brn-4 Barrels 5.56x45mm - Brn-4 10.4" Barrel Heavy Profile 1-7 1/2-28"

Brownells BRN-4 HK 416 compatible barrels, available in a variety of lengths and two contours. Historically extremely hard to procure, HK 416 compatible barrels are now available as part of the BRN-4 lineup. These barrels machined by Faxon, fit early... ... more

Brownells Brn-4 Barrel Nut

The BRN-4 Barrel Nut is the perfect barrel nut for your BRN-4, HK416, or MR556 built. Machined to exact dimensions to work with HK style handguards. Recommended Barrel Nut Torque: 50-80 ft/lbs Mfg: Brownells ... more

Brownells Brn-4 416 Gas Blocks - Brn-4 416 Type Gas Block For 14.5/16in Barrels

New Manufacture Gas Blocks for 416 Type Barrels & Firearms These new production 416 type Gas Blocks are machined from billet steel to provide long life, during the most extreme use. To ensure high performance, the Gas Blocks are machined from 4140/42... ... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 14.5" 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, and... ... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 16" 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, and... ... 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, and... ... more

Brownells Brn-4 416 Gas Blocks - Brn-4 416 Type Gas Block For 10.4in Barrels

New Manufacture Gas Blocks for 416 Type Barrels & Firearms These new production 416 type Gas Blocks are machined from billet steel to provide long life, during the most extreme use. To ensure high performance, the Gas Blocks are machined from 4140/42... ... 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, and... ... more

Brownells Brn-4 Gas Block Coil Pins 2-Pack - Brn-4 Gas Block Coil Pins, 2-Pack

Gas block coil pins for the BRN-4. These pins are the correct size pins to use with the Brownells BRN-4 gas blocks and all the BRN-4 barrels. These pins will also work with the HK416/MR556 platform as well. Packaged two per pack. Mfg: Brownells ... more

Brownells Brn-4� Firing Pin Spring - Brn-4 Firing Pin Spring

Replacement or spare part for the BRN-4 Bolt Carrier Group. Handy to have on-hand for a backup parts kit. Only fits Brownells BRN-4 Bolt Carrier Group. Mfg: Brownells ... more

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� Bolt Assembly - Brn-4/416 Bolt Assembly

Replacement or spare Bolt Assembly for the Brownells BRN-4. Completely assembled with ejector and extractor. Black nitride finished exterior makes for an extremely hard and durable part. Compatible with HK416 and MR556 rifles. Nitride finish Complete... ... more

Brownells Brn-4/Hk416 Compatible Piston Assembly - Brn-4 416 Compatible Piston Rod Assembly

U.S. made gas piston assembly for the Heckler & Koch 416, 417, MR556, MR762, G28, G36 and SL8 firearms. High quality replacement or build component. Stainless steel piston, includes gas rings. Mfg: Brownells ... more

Brownells Brn-4� Firing Pin - Brn-4 Firing Pin

Replacement or spare part for BRN-4 bolt carrier groups. Chrome plated finish to provide corrosion resistance and lubricity. Use only with the BRN-4 bolt carrier group. Mfg: Brownells ... more

Brownells Brn-4/Hk416 Compatible Piston Rod Assembly - Brn-4 416 Compatible Operating Rod Assembly

U.S. made operating rod assembly for the Heckler & Koch 416, 417, MR556, MR762 and G28 firearms. High quality replacement or build component. Includes complete operating rod assembly with spring installed. Mfg: Brownells ... more

Brownells Brn-4/Hk416 Compatible Gas Rings - Brn-4 416 Gas Ring 3 Pack

U.S. made gas rings for the Heckler & Koch 416, 417, MR556, MR762, G28, G36 and SL8 firearms. Includes the 3 needed for a complete installation or replacement of worn out rings. Mfg: Brownells ... more

Brownells Barrel Nut Shim Kit - Ar-15 Barrel Nut Shim Kit

AR-15 barrel nut shim kit allows you to index the barrel nut so you have perfect barrel nut / gas tube as well as top rail alignment, within the recommended barrel nut torque ranges. Shims can be used individually or combined to get the desired... ... more

Brownells Brn-4 Buffer Retainer

The BRN-4 Buffer Retainer is the perfect buffer retainer for HK416 or MR556 type firearms. Machined from stainless steel to exacting dimensions. Will not work in AR-15/M16 firearms. BRN-4 or HK416/MR556 lower receiver with roll pin retention of the... ... more

Brownells Upper Receiver Bushing For Hk416 & Mr556 - Brn-4 Upper Receiver Op Rod Bushing For Hk416 &

U.S. made aftermarket replacement upper receiver op rod bushing for the Heckler & Koch 416 or MR556 Rifles. Mfg: Brownells ... more

Brownells Torque Wrenches - 1/2" Drive 10-150 Foot Pound Torque Wrench

For AR-15/M16 Barrel Nuts, Bolt Carrier Key or action screws on any rifle. Set the dial handle to desired torque; wrench "clicks" when the number is reached. Mfg: Brownells SPECS: Chromium-Vanadum Steel. 1/2" (1.27cm) Drive - Reversible Ratchet Torque... ... more

Brownells Remington/Mossberg Forend Wrench - Remington 870 Forend Wrench 12 Gauge

Wrench adapted from Remington factory design, with pilot that keeps "teeth" square to the forend nut, virtually eliminating damage to wrench, forend or forend nut. But, if one of the wrench teeth should ever break, turn the "sleeve" around, there's... ... more

Brownells Remington/Mossberg Forend Wrench - Mossberg 500 Forend Wrench 12 Gauge

Wrench adapted from Remington factory design, with pilot that keeps "teeth" square to the forend nut, virtually eliminating damage to wrench, forend or forend nut. But, if one of the wrench teeth should ever break, turn the "sleeve" around, there's... ... 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 to... ... more

Brownells Can'T Mar 1911 Auto Bushing Wrench - Can'T Mar 1911 Auto Bushing Wrench

Every 1911 owner and gun shop needs a wrench to remove the barrel bushing from the 1911 Autos. Ours fits all the calibers and variations; Colt-made (including factory Officers ACP), plus copies. Made from super tough ABS "T" grade polymers, Brownells... ... more

Brownells Ar-15/M16 Sight Wrenches - A1 Sight Wrench

Even tho' you're supposed to be able to adjust these sights with nothing more than a round of ammo, folks who've tried know it's just not that simple. This decidedly handy little Sight Wrench does the job, quick and easy. Mfg: Brownells SPECS: 1-3/8"... ... more

Brownells Short Magazine Lee Enfield Rifle Action Wrench & Head - Complete Smle Action Wrench

The only commercially available action wrench system that surrounds and supports the receiver ring and recoil lug to distribute potentially damaging torque forces equally. The solid steel base has a unique, machined �relief to clear the recoil lug on... ... more

Brownells Universal Rifle Action Wrench & Head - Universal Action Wrench Head Only

The only commercially available action wrench system that surrounds and supports the receiver ring and recoil lug to distribute potentially damaging torque forces equally. The solid steel base has a unique, machined ­relief to clear the recoil lug on... ... more

Brownells Large Ring Mauser Rifle Action Wrench & Head - Complete Large Ring Mauser Action Wrench

The only commercially available action wrench system that surrounds and supports the receiver ring and recoil lug to distribute potentially damaging torque forces equally. The solid steel base has a unique, machined �relief to clear the recoil lug on... ... more

Brownells Fn-Fal Rifle Action Wrench & Head - Fn/Fal Action Wrench Head Only

The only commercially available action wrench system that surrounds and supports the receiver ring and recoil lug to distribute potentially damaging torque forces equally. The solid steel base has a unique, machined �relief to clear the recoil lug on... ... more

Brownells 1911 Anodized Bushing Wrench - 1911 Auto Anodized Bushing Wrench

The perfect tool for every 1911 owner's range bag or cleaning kit. Precision machined for a close fit to Government Model and Officers bushings. The extra thick, contoured handle fits comfortably in your hand; has plenty of heft for a good, solid grip.... ... more

Brownells Remington 700 Rifle Action Wrench & Head - Remington 700 Action Wrench Head Only

The only commercially available action wrench system that surrounds and supports the receiver ring and recoil lug to distribute potentially damaging torque forces equally. The solid steel base has a unique, machined �relief to clear the recoil lug on... ... more

Brownells 870 Buttstock Bolt Wrench - Remington 870/1100 Buttstock Bolt Wrench

Special sleeved, self- centering bit can't slip off or jam between stock and bolt head. Mfg: Brownells ... more