The Rock River Arms AR-15 Upper Receiver Assembly is designed to pin onto any mil-spec lower receiver. Just add an optic, or set of sights, and you are ready to send lead downrange! Features Includes one 5 round magazine Flattop upper receiver Mil-spec compatible Anodized finish
Rock River Arms AR-15 Upper Receiver Assembly 450 Bushmaster 16" Stainless Barrel M-LOK Handguard Black
Rock River Arms
MSRP:
$779.30
$698.25
(You save
$81.05
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Rock River Arms
Rock River Arms AR-15 Upper Receiver Assembly 450 Bushmaster 16" Stainless Barrel M-LOK Handguard Black
- SKU:
- 157967
- UPC:
- 842834124138
- Barrel Description:
- Heavy
- Barrel Finish:
- Stainless Steel
- Barrel Length:
- 16
- Barrel Length Range:
- 16 to 16.99
- Barrel Material:
- Steel
- caliber:
- .450 BUSHMASTER
- Capacity:
- 5
- Firearm Fit:
- AR-15
- Firearm Type:
- AR Platform
- Handguard Finish:
- Black
- Handguards:
- 13 M-LOK
- Muzzle:
- RRA Operator Brake
- Receiver Finish:
- Black
- Series:
- MID A4
- Similar Items:
- UPPER
- Thread Pattern:
- 5/8-32 tpi
- Twist:
- 1:24
- Type:
- Complete
- FireArm:
- No
- Caliber:
- 450 Bushmaster
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