The RCBS AR Series .204 Ruger 2-Die Set is specifically engineered for reliable reloading of .204 Ruger ammunition in semi-automatic and AR-platform firearms.RCBS AR Series 2-Die Set for .204 Ruger caliberSmall Base Sizer Die designed for semi-automatic firearmsTaper Crimp Seater Die for proper bullet seating and crimpingGuarantees cartridges will rechamber in AR-platform weaponsNon-carbide construction for durabilityCompact dimensions: 1.75" x 4.45" x 5.90"Essential for precision reloaders using AR-style rifles in .204 Ruger this die set ensures consistent ammunition performance and reliable cycling in semi-automatic firearms.