This is an incredibly accurate upper put together by Blackstone Arms. They are the only custom shop authorized to assemble and sell uppers with ARP barrels. AR Performance (ARP) 6.8 barrels are the best in the business. This barrel was made by Harrison at AR Performance and when it comes to anything 6.8spcII; Harrison is renowned at THE guy.
Blackstone builds their Uppers around the AR Performance barrels and the AR Performance Superbolt. If you don't know about these, this may not be the listing for you. All mated parts are trued, lapped, and polished for perfect fitment. The Superbolt has been headspaced to this barrel. Blackstone guarantees these to be 1 MOA uppers...and this one is easily better than that.
This upper is "as new". I have shot less than 50 rds through it and it shows. I have upgraded the charging handle to the BCM Gunfighter GFH Mod 4x4 (ambidextrous charging handle).
I've written and deleted this post several times as I try to convince myself not to sell this one, but I have something else I want and am going to go ahead and post it.
Blackstone builds their Uppers around the AR Performance barrels and the AR Performance Superbolt. If you don't know about these, this may not be the listing for you. All mated parts are trued, lapped, and polished for perfect fitment. The Superbolt has been headspaced to this barrel. Blackstone guarantees these to be 1 MOA uppers...and this one is easily better than that.
This upper is "as new". I have shot less than 50 rds through it and it shows. I have upgraded the charging handle to the BCM Gunfighter GFH Mod 4x4 (ambidextrous charging handle).
I've written and deleted this post several times as I try to convince myself not to sell this one, but I have something else I want and am going to go ahead and post it.
