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Rock River Arms MID A4 - 16 Inch - CHROME LINED - Lightweight - Basic Upper

$479.00
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

$639.00
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

$449.00
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

$469.00
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 Delta CAR Upper

$509.00
SKU: 
3070

The Rock River Arms Delta CAR 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 a Rock River Arms Delta CAR drop-in quad rail, low profile gas block, and an A2 flash hider.

Comes complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.

FACTORY BUILT BY ROCK RIVER ARMS INC.


Rock River Arms MID A4 - 16 Inch HBAR - Front Flip Sight Gas Block Upper

$469.00
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.


Rock River Arms -.458 SOCOM - BEAST Upper

$749.00
SKU: 
3491

UNTIL FURTHER NOTICE CORBON 300GR HUNTER JSP AMMO SHOULD NOT BE USED IN ANY ROCK RIVER ARMS .458 SOCOM UPPER OR RIFLE.  ROCK RIVER ARMS AND CORBON ARE WORKING TOGETHER TO RESOLVE THE ISSUE, HOWEVER UNTIL THAT RESOLUTION IS ACHIEVED THE AMMO SHOULD NOT BE USED.


Rock River Arms LAR-40 - MID A4 - .40 S&W

$519.00
SKU: 
3515

The Rock River Arms LAR-40 - MID A4 - .40 S&W upper features a Rock River Arms 16 Inch, chrome moly vanadium, HBAR barrrel chambered in .40 S&W with a 1:16 twist, mid-length gas system, and a 5/8-32 threaded muzzle.  Built on a Rock River Arms .40 S&W flattop upper receiver with a mid-length plastic handguard, clamp style single rail gas block with sling swivel, and an A2 style flash hider.  Compatible with RRA LAR-40 lower receivers and converted LAR-9 and LAR-15 lower receivers.



Delton 16 Inch - MIDLENGTH - Basic Upper

$389.00
SKU: 
3693

The Delton 16 Inch - MIDLENGTH - Basic Upper features a 16 Inch CMV, manganese phosphated, M4 ramped, heavy profile barrel, chambered in 5.56 NATO with a 1:9 twist rate, midlength gas system, "F" marked A2 front sight base with sling swivel and bayonet lug and a 1/2-28 threaded muzzle.  Built on a 7075-T6 forged aluminum, annodized, M4 ramped, flattop upper receiver that is coated internally with dry film lube over the annodized surface.  The upper features a milspec bolt carrier that is  machined from 8620 steel, heat treated and plated, chrome-lined on the interior and has a gas key that


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