
In Stock
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,
Sold byHinterland Outfitters•Posted Apr 27, 2026
Compare prices for Rock River Arms AR-15 Complete Upper Receiver 450 Bushmaster 16" Black Barrel$660.34
Price and stock data refresh continuously from Hinterland Outfitters.
Deal Summary
- Currently in stock.
- Caliber: 450 bushmaster
- Category: accessory
- UPC: 842834125548
- SKU: 218485
- Brand: Rock River Arms
Price History
Deal Details
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,
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