Rock River Arms

Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16" Barrel, Mid-Length Gas System

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$750.00
When required by law, the cost to make this product CA legal is included in the price above.

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SKU:
30450
UPC:
842834125548
Fits:
AR-15
Compatibility:
AR-15
Color:
Black
Manufacturer Part #:
450B0592
Caliber:
.450 Bushmaster
Capacity:
5
Finish:
Anodized
Barrel Length:
16 in

Shipping to California

  • Status: Complete upper with a barrel. Not a serialized firearm, but we ship it to a licensed dealer only.
  • Delivery: Ships to WBT in La Mesa or to the California gun store you choose; select your dealer at checkout. Not shipped to home addresses.
  • Learn more: Featureless or fixed magazine: which fits your build · FAQ

About this upper

Rock River Arms Tactical Carbine, Complete Upper Receiver is an upper receiver chambered in .450 Bushmaster. Finish: Black.

Specifications

  • Brand: Rock River Arms
  • Caliber: .450 Bushmaster
  • Capacity: 5
  • Finish / color: Black
  • Fits: AR-15
  • Manufacturer part #: 450B0592
  • UPC: 842834125548

Buying from WBT Guns

  • Delivery: Complete uppers ship to a licensed dealer only. Free pickup at our La Mesa store, or select the California gun store you want it sent to at checkout.
  • Payment: Pay in full, put 50% down with the balance due in 14 days, or finance with Credova.
  • Questions: Call (619) 667-9453 or email sales@wbtguns.com. FAQ

WBT Guns is family-owned in La Mesa, California, and has shipped parts and receivers to California buyers since 2012.

A note on accuracy. We work hard to keep every listing correct, but specifications, images and compliance details come from many sources and can contain errors or change without notice. Images may show a configuration that is not California-legal. If a detail on this page matters to your decision, call us and we will confirm it against the actual firearm before you order. The compliance information here is general in nature and is not legal advice; California and local laws change, and the configuration described is confirmed at the time of sale. All sales are subject to applicable federal, state and local law and to the buyer's eligibility to purchase.