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BROWNELLS
BRN-15 UPPER RECEIVERS 5.56MM NATO
BROWNELLS BRN-15 13.7" UPPER RECEIVER ASSEMBLY .750" GAS BLOCK 5.56MM 050806000247 Manufactured in the US with the highest quality components, the BRN-15 Upper Receiver Groups are great starts for your next build. Pick your preferred bolt carrier group and charging handle to complete. The BRN-15 Upper Receiver Groups feature a 5.56x45mm NATO chambered, nitride finished barrel, available in several popular lengths. Models are available in a Government, medium profile barrel, with the 16 inch also available in a lightweight contour. Barrels feature a gas block dimple, that the rear gas block screw securely engages. All barrels are stress releived. Unique MLOK handguard extends past the gas block, to provide as much usable real estate as possible. Anti-rotation tabs at the rear of the handguard engage the upper receiver, preventing any cant in relation to the receiver picatinny rail. Large dual screws clamp and pass through the properly torqued barrel nut to ensure the handguard will not slip forward. Large vents are placed towards the rear, to allow both the barrel and handguard to cool more rapidly. Forged Mil-Spec type upper receiver features M4 feed ramps, ejection port cover and forward assist. Forward assist pin is knurled at the front, to ease future swaps. 4150 CMV (Chrome Moly Vanadium) Barrel Chambered in 5.56x45mm NATO 1-7 Barrel Twist 1/2-28 Muzzle Threads A2 Flash Hider Forged 7075-T6 Upper Receivers Hardcoat Anodized Upper Receiver M4 Feedramps in Upper & Barrel Extension Barrels are marked "5.56 NATO 1:7 4150CMV SR" 100% American Made Please note, the 16 inch lightweight features a lock nut on the muzzle device. To remove, secure the lock nut with a wrench, turn towards the rear, and unscrew the flash hider. Does not come with bolt carrier group or charging handle. All NFA Rules Apply.
Restrictions
- Is a 'Call to order' product.
Top takeaways
- The BRN-15 Upper Receiver Assembly is a high-quality American-made component with a 13.7" nitride finished barrel chambered in 5.56x45mm NATO, featuring a .750" gas block and a 1-7 twist rate.
- It includes a unique MLOK handguard that extends past the gas block with anti-rotation tabs and large dual screws for secure attachment, but does not come with a bolt carrier group or charging handle.
- The upper receiver is forged from 7075-T6 aluminum, hardcoat anodized, and equipped with M4 feed ramps, an ejection port cover, forward assist, and a knurled forward assist pin for easy swaps.
Attributes
Cartridge: 5.56 x 45 Colour: Black Contour: Government Finish: Anodized Length: 13.7'' Make: AR-15 Muzzle: 1/2-28 Style: Assembled Twist: 1-7 Delivery weight: 1.769kg
Item details
US export classification: I(g)
BROWNELLS BRN-15 16" UPPER RECEIVER ASSEMBLY .750" GAS BLOCK 5.56MM
Mfr Part: 4027-3410-B1 050806000223 Manufactured in the US with the highest quality components, the BRN-15 Upper Receiver Groups are great starts for your next build. Pick your preferred bolt carrier group and charging handle to complete. The BRN-15 Upper Receiver Groups feature a 5.56x45mm NATO chambered, nitride finished barrel, available in several popular lengths. Models are available in a Government, medium profile barrel, with the 16 inch also available in a lightweight contour. Barrels feature a gas block dimple, that the rear gas block screw securely engages. All barrels are stress releived. Unique MLOK handguard extends past the gas block, to provide as much usable real estate as possible. Anti-rotation tabs at the rear of the handguard engage the upper receiver, preventing any cant in relation to the receiver picatinny rail. Large dual screws clamp and pass through the properly torqued barrel nut to ensure the handguard will not slip forward. Large vents are placed towards the rear, to allow both the barrel and handguard to cool more rapidly. Forged Mil-Spec type upper receiver features M4 feed ramps, ejection port cover and forward assist. Forward assist pin is knurled at the front, to ease future swaps. 4150 CMV (Chrome Moly Vanadium) Barrel Chambered in 5.56x45mm NATO 1-7 Barrel Twist 1/2-28 Muzzle Threads A2 Flash Hider Forged 7075-T6 Upper Receivers Hardcoat Anodized Upper Receiver M4 Feedramps in Upper & Barrel Extension Barrels are marked "5.56 NATO 1:7 4150CMV SR" 100% American Made Please note, the 16 inch lightweight features a lock nut on the muzzle device. To remove, secure the lock nut with a wrench, turn towards the rear, and unscrew the flash hider. Does not come with bolt carrier group or charging handle. All NFA Rules Apply.
BROWNELLS BRN-15 16" UPPER RECEIVER ASSEMBLY .625" GAS BLOCK 5.56MM
Mfr Part: 4027-3410-B2 050806000230 Manufactured in the US with the highest quality components, the BRN-15 Upper Receiver Groups are great starts for your next build. Pick your preferred bolt carrier group and charging handle to complete. The BRN-15 Upper Receiver Groups feature a 5.56x45mm NATO chambered, nitride finished barrel, available in several popular lengths. Models are available in a Government, medium profile barrel, with the 16 inch also available in a lightweight contour. Barrels feature a gas block dimple, that the rear gas block screw securely engages. All barrels are stress releived. Unique MLOK handguard extends past the gas block, to provide as much usable real estate as possible. Anti-rotation tabs at the rear of the handguard engage the upper receiver, preventing any cant in relation to the receiver picatinny rail. Large dual screws clamp and pass through the properly torqued barrel nut to ensure the handguard will not slip forward. Large vents are placed towards the rear, to allow both the barrel and handguard to cool more rapidly. Forged Mil-Spec type upper receiver features M4 feed ramps, ejection port cover and forward assist. Forward assist pin is knurled at the front, to ease future swaps. 4150 CMV (Chrome Moly Vanadium) Barrel Chambered in 5.56x45mm NATO 1-7 Barrel Twist 1/2-28 Muzzle Threads A2 Flash Hider Forged 7075-T6 Upper Receivers Hardcoat Anodized Upper Receiver M4 Feedramps in Upper & Barrel Extension Barrels are marked "5.56 NATO 1:7 4150CMV SR" 100% American Made Please note, the 16 inch lightweight features a lock nut on the muzzle device. To remove, secure the lock nut with a wrench, turn towards the rear, and unscrew the flash hider. Does not come with bolt carrier group or charging handle. All NFA Rules Apply.
BROWNELLS BRN-15 11.5" UPPER RECEIVER ASSEMBLY .750" GAS BLOCK 5.56MM 050806000254 Manufactured in the US with the highest quality components, the BRN-15 Upper Receiver Groups are great starts for your next build. Pick your preferred bolt carrier group and charging handle to complete. The BRN-15 Upper Receiver Groups feature a 5.56x45mm NATO chambered, nitride finished barrel, available in several popular lengths. Models are available in a Government, medium profile barrel, with the 16 inch also available in a lightweight contour. Barrels feature a gas block dimple, that the rear gas block screw securely engages. All barrels are stress releived. Unique MLOK handguard extends past the gas block, to provide as much usable real estate as possible. Anti-rotation tabs at the rear of the handguard engage the upper receiver, preventing any cant in relation to the receiver picatinny rail. Large dual screws clamp and pass through the properly torqued barrel nut to ensure the handguard will not slip forward. Large vents are placed towards the rear, to allow both the barrel and handguard to cool more rapidly. Forged Mil-Spec type upper receiver features M4 feed ramps, ejection port cover and forward assist. Forward assist pin is knurled at the front, to ease future swaps. 4150 CMV (Chrome Moly Vanadium) Barrel Chambered in 5.56x45mm NATO 1-7 Barrel Twist 1/2-28 Muzzle Threads A2 Flash Hider Forged 7075-T6 Upper Receivers Hardcoat Anodized Upper Receiver M4 Feedramps in Upper & Barrel Extension Barrels are marked "5.56 NATO 1:7 4150CMV SR" 100% American Made Please note, the 16 inch lightweight features a lock nut on the muzzle device. To remove, secure the lock nut with a wrench, turn towards the rear, and unscrew the flash hider. Does not come with bolt carrier group or charging handle. All NFA Rules Apply.
🔧 Build your dream AR-15 with the BROWNELLS BRN-15 13.7" Upper Receiver Assembly! High-quality, 5.56 NATO, ready for customization. Get started now! 🛠️
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