Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Stainless Steel Barrels Resist Weather & Corrosion

Upper assemblies readily fit onto standard AR-15 lowers and feature 416R stainless steel barrels that resist weather and corrosion. Chambered in 5.56, barrels feature extensions with M4 feedramps to enhance reliable operation. Uppers are flattop with white T-marks and include fully-installed forward assist and dust cover. 7½" and M4 uppers have modular handguards compatible with Magpul rail segments and have stainless steel A2 flashhiders. All models except for the 7½" have railed gas blocks to accept clamp-on front sights or other accessories. Bull Barrel models have round handguards and target crown muzzles to enhance accuracy potential. Charging handle, bolt, and bolt carrier must be purchased separately. All upper receivers do not include a charging handle or bolt carrier group. All NFA Rules apply.


AR-15, Issue:10, Page:003

SPECS: Machined 7075 T6 aluminum, hardcoat anodized, matte black finish. Barrels 416R stainless steel. 1-9" twist. 20" and 24" bull barrels 1-8" twist.

RED X ARMS - AR-15/M16 UPPER RECEIVERS

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5 Item(s)
AR15/M16 7.5" RXA15 MOD UPPER RECEIVER
100-013-602WB
AR15/M16 7.5" RXA15 SS MOD Upper Receiver
100013602AR15/M16 7.5" RXA15 SS MOD Upper Receiver

$330.00

In Stock

Cartridge: 223 Remington, 5.56 mm NATO

Contour: Carbine

Finish: Black, Stainless Steel

Length: 7.5, ...

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AR15/M16 16" RXA15 SS BULL UPPER REC
100-013-603WB
AR15/M16 16" RXA15 Bull Upper Receiver
100013603AR15/M16 16" RXA15 Bull Upper Receiver

$330.00

In Stock

Cartridge: 223 Remington, 5.56 mm NATO

Contour: Carbine

Finish: Black, Stainless Steel

Length: 16, ...

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AR15/M16 20" RXA15 SS BULL UPPER REC
100-013-604WB
AR15/M16 20" RXA15 SS Bull Upper Receiver
100013604AR15/M16 20" RXA15 SS Bull Upper Receiver

$330.00

In Stock

Cartridge: 223 Remington, 5.56 mm NATO

Contour: Carbine

Finish: Black, Stainless Steel

Length: 20, ...

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AR15/M16 24" RXA15 SS BULL UPPER REC
100-013-605WB
AR15/M16 24" RXA15 SS Bull Upper Receiver
100013605AR15/M16 24" RXA15 SS Bull Upper Receiver

$330.00

Out of Stock

Cartridge: 223 Remington, 5.56 mm NATO

Contour: Carbine

Finish: Black, Stainless Steel

Length: 24, ...

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AR15/M16 16" RXA15 SS M4 MOD UPPER REC
100-013-606WB
AR15/M16 16" RXA15 SS M4 MOD Upper Receiver
100013606AR15/M16 16" RXA15 SS M4 MOD Upper Receiver

$330.00

In Stock

Cartridge: 223 Remington, 5.56 mm NATO

Contour: Carbine

Finish: Black, Stainless Steel

Length: 16, ...

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AR-15/M16 UPPER RECEIVERS