One of the best things about the AR platform is its versatility. Parts are generally universal and swapping between calibers is as easy as changing your upper receiver. 

With this in mind Black Rain Ordnance has introduced a line of 300 Blackout complete upper receivers based on the new Spec15 stripped upper receiver. 

These uppers will fit on your existing Black Rain Ordnance lower receiver as well as any mil-spec lower on the market. 300 BLK being designed to work as a close quarters battle round, this simple swap would turn your rifle or AR pistol into an ideal weapon for home or vehicle protection and at an MSRP of $629.00 is competitively priced for the quality of the product and the warranty you can enjoy after the purchase. 

These Uppers feature:

• BRO SPEC15 upper receiver and charging handle.
• BRO “300 BLK” Laser engraved dust cover to help easily ID the correct caliber.
• BRO SPEC15 nitride coated bolt and carrier group.
• BRO 300BLK Chromoly Barrel in 16″ or 10.5″ 
• BRO SLM Handguard in 12″ on the 16″ barrel option or 10″ on the 10.5″ barrel option.

 The SPEC15 300 Blackout complete upper receivers are now available for purchase direct from blackrainordnance.com or can be ordered through your local Black Rain Ordnance dealer! 

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