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*Official AR Performance(ARP) barrels*
High performance 5.56 & 6.8 barrels for the experienced builder since 2007
Our goal is superior accuracy though better chamber and rifling design.

EVERY PART MADE IN THE USA
Blackstone Arms is now the home of AR 15 performance(ARP). The same tooling, materials and processes will continue to be used. The quality and accuracy that we all have been able to count on will continue as well. Blackstone Arms is not new to ARP or the barrels, started using them for built uppers exclusively in 2013.
Blackstone Arms is now the home of AR 15 performance(ARP). The same tooling, materials and processes will continue to be used. The quality and accuracy that we all have been able to count on will continue as well. Blackstone Arms is not new to ARP or the barrels, started using them for built uppers exclusively in 2013.