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Rock River Arms 20 Inch - Varmint A4 Upper
$650.00
SKU:
825
The Rock River Arms 20 Inch - Varmint A4 upper features a Rock River Arms 20 Inch stainless steel, air gauged, cryo-treated bull barrel chambered in .223 Wylde with a 1:8 twist and rifle length gas system. Built on a Rock River Arms forged A4 flattop receiver with a Rock River Arms lightweight, free-float, 17 inch extended, MLOK compatible, handguard and a .936 low profile gas block.
Rock River Arms CAR A4 - 16 Inch HBAR - Basic Upper
$399.00
SKU:
857
The Rock River Arms CAR A4 - 16 Inch HBAR - Basic Upper features a Rock River Arms 16 inch H-Bar barrel chambered in 5.56 NATO with a 1:9 twist rate, carbine length gas system, steel front sight tower with bayonet lug, sling swivel, and 1/2-28 threaded muzzle. Built by Rock River Arms on an RRA forged A4 flat top receiver with carbine length plastic handguards, and an A2 flash hider.
Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.
Rock River Arms MID A4 - 16 Inch HBAR - Basic Upper
$350.00
SKU:
907
The Rock River Arms MID A4 - 16 Inch HBAR - Basic Upper features a Rock River Arms 16 Inch CMV, HBAR profile barrel chambered in 5.56 NATO with a 1:9 twist, mid-length gas system, front sight tower with bayonet lug, and a 1/2-28 threaded muzzle. Built on a Rock River Arms forged A4 flat top receiver with mid-length plastic handguards, sling swivel, and an A2 flash hider.
Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.
FACTORY BUILT BY ROCK RIVER ARMS INC.
Rock River Arms CAR A4 - 16 Inch HBAR - SINGLE RAIL GAS BLOCK Upper
$325.00
SKU:
1513
The Rock River Arms CAR A4 - 16 Inch HBAR - SINGLE RAIL GAS BLOCK Upper features a Rock River Arms 16 inch CMV, HBAR barrel chambered in 5.56 NATO with a 1:9 twist, carbine length gas system and 1/2-28 threaded muzzle. Built on a Rock River Arms forged A4 flat top upper receiver with standard CAR length plastic handguards, Rock River Arms clamp style single rail gas block, and an A2 flash hider.
Comes complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.
Rock River Arms MID A4 - 16 Inch - CHROME LINED - Lightweight - Basic Upper
$399.00
SKU:
2225
The Rock River Arms MID A4 - 16 Inch - CHROME LINED - Lightweight - Basic Upper features a Rock River Arms 16 Inch CMV, chrome-lined, lightweight profile barrel chambered in 5.56 NATO with a 1:9 twist, mid-length gas system, front sight tower with bayonet lug, and a 1/2-28 threaded muzzle. Built on a Rock River Arms forged A4 flattop receiver with midlength plastic handguards, sling swivel, and an A2 flash hider.
Complete with RRA AR-15 bolt carrier assembly and forged charging handle.
Rock River Arms 24 inch - Varmint A4 - 1/12 Twist - Complete Upper
$629.00
SKU:
2224
The Rock River Arms 24 inch - Varmint A4 Upper features a Rock River Arms 24 inch stainless steel, air-gauged, cryogenically treated, bull barrel (barrel diameter of 1.050 under handguard, .920 diameter gas block journal) chambered in .223 Wylde, with a 1:12 twist, rifle-length gas system and a target crowned muzzle. Built on a Rock River Arms flat top receiver with an RRA TRO-STD handguard (14.5 inches long) and a low profile gas block.
Included: 1 bottom rail, 2 2" short rails
Rock River Arms MID A4 - 16 Inch HBAR - SINGLE RAIL GAS BLOCK Upper
$379.00
SKU:
2821
The Rock River Arms MID A4 - 16 Inch HBAR - Single Rail Gas Block Upper features a Rock River Arms 16 inch H-Bar barrel chambered in 5.56 NATO with 1:9 twist rate, midlength gas system, and 1/2x28 threaded muzzle. Built on a forged A4 flat top receiver with midlength handguards, single rail gas block with sling swivel, and an A2 flash hider.
Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.
FACTORY BUILT BY ROCK RIVER ARMS INC.
CMMG 16 inch Stainless Steel M300 - 300 AAC Blackout Upper
$549.00
SKU:
2907
The CMMG M300 - 300 AAC Blackout Upper features a 16 inch stainless steel barrel, manufactured from 416 stainless steel, chambered in 300 AAC Blackout with with a 1:7 twist, carbine length gas system and 5/8-24 threaded muzzle. Built by CMMG on a flattop receiver with midlength plastic handguards, low profile gas block, and an "F" marked front sight tower.
Comes complete with M16 bolt carrier group and charging handle.
FACTORY BUILT BY CMMG INC.
Rock River Arms CAR A4 - 16 Inch HBAR - Front Flip Sight Gas Block Upper
$365.00
SKU:
3071
The Rock River Arms CAR A4 - 16 Inch HBAR - Front Flip Sight Gas Block Upper features a Rock River Arms 16 inch CMV, HBAR barrel chambered in 5.56 NATO with a 1:9 twist, carbine length gas system and 1/2-28 threaded muzzle. Built on a Rock River Arms forged A4 flat top upper receiver with standard CAR length plastic handguards, Rock River Arms front flip sight gas block, and an A2 flash hider.
Comes complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.
Rock River Arms MID A4 - 16 Inch HBAR - Front Flip Sight Gas Block Upper
$365.00
SKU:
3075
The Rock River Arms MID A4 - 16 Inch HBAR - Front Flip Sight Gas Block Upper features a Rock River Arms 16 inch CMV, HBAR barrel chambered in 5.56 NATO with a 1:9 twist, mid-length gas system and 1/2-28 threaded muzzle. Built on a Rock River Arms forged A4 flat top upper receiver with standard mid-length plastic handguards, Rock River Arms front flip sight gas block, and an A2 flash hider.
Comes complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.
