Redding - T7/Big Boss Primer Arm Assembly (Large) Tuner Min Dimensions Gages are made

Min Dimensions Gages are made to SAAMI specifications for Min Chamber

After sizing your cases

We produce two case mouth deburring tools for use in the Case Trimmer

A decapping pin retainer is also supplied with all Type S - Bushing Dies

A comprehensive tabulation and ready reference to British

Redding - T7/Big Boss Primer Arm Assembly (Large) Tuner Min Dimensions Gages are madeQuickly change primer cup & pin size by simply exchanging the entire primer arm assembly. Fits both the T 7 and Big Boss Presses. A reloader never knows when a part might break. Be prepared for anything with these high quality factory replacement parts that will have your Redding T 7 or Big Boss presses running like new.