Rainier Arms Rainier Industries Pro Series MK1 M-Lok AR-15 Handguard Black 15 in RA022. To achieve this we designed it an extended aluminum barrel nut and larger stainless steel mounting lugs for better rigidity to maintain a mechanical zero. The...
Rainier Arms Rainier Industries Pro Series MK1 M-Lok AR-15 Handguard Black 15 in RA022. To achieve this we designed it an extended aluminum barrel nut and larger stainless steel mounting lugs for better rigidity to maintain a mechanical zero. The...