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_The_Shadow · 07-13-2011, 17:58

Large rifle primers are ever so slightly longer and if seated in a larger pistol primer pocket they stick out like they aren't fully seated. If used in some semiautos there is the possibility of a slam-fire!

added;
According to SAAMI, the depths for small pistol, small rifle, and large pistol primer pockets are .118" to .122", while large rifle primer pocket depths are .128" to .132". Small pistol and small rifle primers have the same diameter (.175") while large rifle and large pistol primers are also the same (.210").

Also, Speer recommends primers be seated .003" to .005" below flush.

07-13-2011, 17:58	#5
_The_Shadow Ret. Fireman Join Date: Jul 2007 Location: Southeast, LoUiSiAna Posts: 3,891	Large rifle primers are ever so slightly longer and if seated in a larger pistol primer pocket they stick out like they aren't fully seated. If used in some semiautos there is the possibility of a slam-fire! added; According to SAAMI, the depths for small pistol, small rifle, and large pistol primer pockets are .118" to .122", while large rifle primer pocket depths are .128" to .132". Small pistol and small rifle primers have the same diameter (.175") while large rifle and large pistol primers are also the same (.210"). Also, Speer recommends primers be seated .003" to .005" below flush. Attached Thumbnails __________________ Southeast, LoUiSiAna NRA Life Member BASS Life Member Last edited by _The_Shadow; 07-13-2011 at 20:39..