RCBS AR Series .223 Rem/5.56mmx45 Small Base Taper Crimp Die Set. Specifications for RCBS Small Base Taper Crimp Die Set - AR Series: Manufacturer: RCBS Quantity: 1 Color: Silver Condition: New Gun Type: Rifle Country of Origin: USA Features of RCBS Small Base Taper Crimp Die Set - AR Series Features a Small Base Size Die to insure feeding in semi-automatic firearms Taper Crimp Seat Die crimps bullets so they will not move during recoil Unique 7-degree crimp angle designed for taper crimps in autoloading rifles Comes in a Black Die Box All RCBS dies are machined to exacting tolerances hardened and finished to the highest standards in the industry Package Contents: RCBS Small Base Taper Crimp Die Set - AR Series RCBS 11107: AR Series .223 Rem/5.56mmx45 Small Base Taper Crimp Die Set