Uppers - Rock River Arms
LAR-22 Complete Upper Halves .22LR. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles.
Varmint A4 Upper Half .223/5.56mm - Rock River Arms
UPPER RECEIVER: Forged A4; BARREL: 20-inch Air Gauged Stainless Steel Bull, Cryogenically Treated 1:8 Twist, Diameter .920 Front of Gas Block, 1.050 Under Handguard; GAS BLOCK: Low Profile Gas Block; HANDGUARD: RRA Lightweight Free Float Rail, 17 Inch Extended, M-LOK® Compatible; INCLUDES: Bolt Carrier Group and Charging Handle Assembly; NOTE ...
Rock River Arms
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Forged NM A2 Upper Receiver Assembly - Rock River Arms
Forged A2 Upper Receiver, stripped. ITEM #: AR0052A. 7075 T6 Aluminum. Price: $195.00. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles.
X-Series X-1 Upper Half .223/5.56mm - Rock River Arms
UPPER RECEIVER: Forged A4; BARREL: 18-inch Fluted Stainless Steel 1:8 Twist, Bead Blasted and Cryo Treated; MUZZLE DEVICE: RRA Hunter Muzzle Brake / 1/2-28 Thread; GAS BLOCK: Low Profile Gas Block; HANDGUARD: RRA 17-inch Tan Lightweight Free Float Rail, M-LOK® Compatible; INCLUDES: Bolt Carrier Group and Charging Handle Assembly
Standard A4 Upper Half .223/5.56mm - Rock River Arms
Your Rock: Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles.
LAR-15M .223/5.56 - Rock River Arms
Frontier Edge Predator Upper Half LAR-15M .223/5.56. .223 wylde chamber for 5.56mm and .223 caliber. Learn More. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles.
4.5 Inch A4 Upper Half .223/5.56mm - Rock River Arms
Forged A4. BARREL: 4.5 inch Chrome Moly, Full Auto Chamber, 1:9 Twist. GAS BLOCK: Low Profile Gas Block. MUZZLE DEVICE: SMITH VORTEX FLASH SUPPRESSOR / 1/2–28 THREAD. HANDGUARD: RRA LIGHTWEIGHT ALUMINUM FREE FLOAT, 4.25 INCH PISTOL LENGTH, M-LOK COMPATIBLE.
.458 SOCOM - Rock River Arms
SOC0199.458 SOCOM 14.5 Inch CAR Chrome Moly Bull Barrel with Extension and Pin. .458 SOCOM Chamber, 1:14 twist, threaded 5/8-32, with Extension and Pin. Barrel diameter .936 at gas block seat. Price: $280.00. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles.
Complete Bolt Carrier Groups LAR-15 - Rock River Arms
LAR-15/.223 Upper Receiver Parts. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles.