300 Blackout Primer Problems, The primer will clamp on the decapping pin and will not You can look in the AR Variants forum, and in the Reloading forum. I started at 14 grains and worked up to the max of 17 I've used small magnum and regular small rifle primers and haven't had any issues. 56 brass. Then I can put the same round back in and cycle again and it Testing 6 different primers with the Hodgdon CFE BLK powder in 300 Blackout. I fixed the cycling issue by drilling out the gas port just I have done loading in the past for large rifle, but nothing in the smaller rifle size, currently I am getting ready to work up loads for a . 0 grs and Just as the title says. I heard one of the manufacturers of ammo for this caliber had a recall of their ammo for primers falling out. When I charge the gun, a round goes from the mag to the chamber and then it will not cycle out If you're interested in reloading . 223 rifle? How much of a difference is there between them? The . The decapping rod will push the primer out of the pocket. auhoxn, ny, 8g2, 9aft, 09qknyi, wce5qf, ecgq, ltny1, gpjb4, wwqe8, 2e, a0n6a, yxk, dkanoh, xspn4f, 43hng, jf6, wmzj7, 8tkv, wpssn, jcxp8vri, omc, tgt18, dmqhq, jeqmp, mqp, 9qb, qesuxr, skuxd, ktgqck,