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We're on completely opposite ends of the spectrum on this, logically. Virtually every bbl I've ever seen, that area is precisely where erosion and...

we only differ on the definition of slam fire, after bolt lug engagement is not a slam in my opinion. i try not to argue with asa.

if i had some i would, but i fixed all of it with a crimp removal tool. no there was no crimp, but an extra lip at the mouth of the pocket, it...

Can anyone post a pic of a case that's set to have the primer crimped after the primer is seated? After further thought I suppose one could seat...

s Well shoot, I apparently glossed right over the fact that OP is using new brass. Disregard, I have no idea... GsT

No, and no. An AR-10 can slamfire, the initial reviews of the SR-25 rifle (circa late 1993) noted the gun would occasionally fire w/o actuation of...

Completely forgot about J. Mohr. Anybody who takes up the gauntlet of building sporters should be commended.

This event is now full. If you would like to get on the waiting list, please contact me. Thanks JC

consider doing the opposite. leave the 45 but shorten the gap from neck to gap to 5-7 thou. flame never sees the 45..just blows on by...maybe

what rifle ? an ar10 cannot slam fire..the geometry of the system prevents the firing pin from moving forward til the bolt turns(lugs engaged) stop...

ref this problem again....I measured the OD of the primer at .212" the primer thickness (depth)at .126" and the pocket depth at .130" So I...

Pretty certain you and Al are talking the same thing. That's why he mentioned earlier that the plug gauge needs to be very close to chamber neck...

Thanks Tony! I appreciate the info. Larry

Larry, As Tim mentioned there is a lot of information about sporters in the sporter thread. The format for building sporters has been well...