300 HAM'R brass for sale-Starline .300 HAM'R brass cases.

Factory new Starline unprimed 300 HAM'R brass, uses SPR.  100 PCS.  

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300 HAM'R origins stem from Bill Wilson (Wilson Combat) ambition was to create a supersonic .30-caliber AR-15 cartridge capable of producing 30-30 energy level.  It is almost .25 inches longer case than a Blackout creating room for more powder, in doing so this is not a subsonic cartridge.  Originally named 30-30 AR by Bill Wilson in 2018, with acceptance to SAAMI the 300 HAM'R became an official cartridge.  Starline item #3950.