Out of StockSave 12%
Rock River Arms Tactical Carbine Complete Upper .450 BM 16 Barrel w/ 5-Round Mag
Sold byGrabAGun•Posted Apr 27, 2026
Compare prices for Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Black Barrel$659.99
$750.00
You save $90.01 (12% off)
Price and stock data refresh continuously from GrabAGun.
Deal Summary
- Currently marked out of stock.
- Caliber: 450 bushmaster
- Category: parts
- UPC: 842834125548
- SKU: GAG_RRA450B0592
- Brand: Rock River Arms
Price History
Deal Details
Rock River Arms Tactical Carbine Complete Upper Receiver Features The Rock River Arms Tactical Carbine Complete Upper Receiver is equipped with a 16 chrome moly barrel with a 1:24 twist rate ensuring excellent accuracy and stability for .450 Bushmaster ammunition. The RRA Operator Muzzle Brake with a 5/8-32 thread effectively reduces recoil and muzzle rise enhancing shooting comfort and control. This upper receiver features a low profile gas block and a mid-length gas system providing rel
Other Offers for This Product
Active offers from your catalog for Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Black Barrel.
Comparing 3 retailers carrying this product
Lowest Price: $659.99
Highest Price: $667.99
You Save: $8.00
Avg Discount: 4% off
Rock River Arms Tactical Carbine Complete Upper .450 BM 16 Barrel w/ 5-Round Mag
Rock River ArmsGrabAGunSKU/UPC: GAG_RRA450B0592
$659.99$750.00Save 12%
View at GrabAGun
Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16 in Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13 in Free Float M-LOK Handguard, Anodized Finish, Black,
Rock River ArmsHinterland OutfittersSKU/UPC: 218485
$660.34
View at Hinterland Outfitters
Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Black Barrel
Rock River ArmsMidwayUSASKU/UPC: 888971
$667.99
View at MidwayUSA