Kaw Valley Precision PCC 6 Position Mil-Spec Kit w/ 7.5oz Buffer and XP SS Spring Multi Medium KVP-PCC-MILSPECKIT-7.5oz. 40 S&W .45 ACP and 10mm are a blast to shoot but can be tough on AR-15's internal components. Without a properly tuned blowback...
Kaw Valley Precision PCC 6 Position Mil-Spec Kit w/ 7.5oz Buffer and XP SS Spring Multi Medium KVP-PCC-MILSPECKIT-7.5oz. 40 S&W .45 ACP and 10mm are a blast to shoot but can be tough on AR-15's internal components. Without a properly tuned blowback...