RCBS Small Base Taper Crimp Die Set - AR Series .300 AAC Blackout Model 22407 RCBS® AR Series Die Sets are a must for progressive reloaders. They feature a Small Base Sizer Die designed for semi-automatic firearms, and a Taper Crimp Seater Die. The Small Base Sizer guarantees the cartridge will rechamber in AR-platform weapons.
Caliber: .300 ACC Blackout Type: Small Base/Taper Crimp # Of Dies In A Set: 2 Carbide Y/N: N
