RCBS MATCHMASTER MULTI-CARTRIDGE RELOADING BLOCK Upgrade your bench, and your efficiency, with the MatchMaster Multi-Cartridge Reloading Block from RCBS. Holding two case sizes/diameters in a single block, this one tray does the job of two, streamlining your workflow without sacrificing capacity. Each block holds .223 Remington and .308 Winchester cartridge families, plus any other cartridge with a .384 or .470 bolt face diameter. Precision-machined from solid 6061-T6 high quality billet aluminum and proudly Made in the USA. It's stackable, ultra cleanable, with pass-through powder holes and built to last a lifetime. With room for 50 cartri Mfg: Rcbs