Rock River Arms RRA CMPLT MID A4 UPR 450BM 16″ 5RD
$666.94
Elevate your AR-15 with the Rock River Arms Complete Upper Receiver in .450 Bushmaster, featuring a 16″ barrel and mid-length gas system for reliable performance. Equipped with an RRA Operator Muzzle Brake and a 13″ Free Float M-LOK handguard, this upper is designed for superior accuracy and adaptability. It includes a bolt carrier group, charging handle assembly, and a 5-round magazine, making it ready for your next hunt or range session.
2 in stock
Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16″ Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13″ Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 450B0592
| Weight | 6.438 lbs |
|---|---|
| Dimensions | 32.250 × 6.000 × 6.000 in |
| Manufacturer | Rock River Arms |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.
Reviews
Clear filtersThere are no reviews yet.