Skip to main content
Help Center Community Shop

Bullet receding during chambering

turban
I just noticed that this is taking place on my .45 loads. I'm taper crimping to about .467 or .468 (overall cartridge width at the case mouth), and the cartridge OAL decreases by about .01" (ex: some 200gr RN TMJ West Coast handloads go from 1.155" to 1.145"). These are pretty mild loads, so I'm not real concerned about pressure, but it does concern me. Should I be crimping more? Any other thoughts? Thx.
0

Comments

4 comments

Date Votes
  • king999
    OAL as not necessarily the point (pun not intended), but the shape of the bullet is important also. Ex; bullet with longish sides and relatively short nose will require deeper seating than one with long taper. Check your loads that seem to have gone deeper into the case during chambering. Reseat your bullets to just a little shorter and recrimp (maybe crimp a bit tighter)). Betcha this gets you going!
    Good luck.
    Morty
    0
  • turban
    Hi, Morty & thx for the reply. The weird thing is that this is happening with flat point, round nose, and semi-wad cutter style bullets. I followed the recipies from powder mfg charts, so OAL should (he says confidently) should have been OK. The receding is happening in my Sig P220 and my son's Norinco 1911 style. I'm not sure how much more I should crimp (already down to .468 oaverall width).
    0
  • perry shooter
    HELLO THE REASON YOU CRIMP IS TO HOLD THE BULLET ! THIS EVERYONE AGREES ON THE TROUBLE IS THERE ARE MANY SIZES OF 45 ACP BULLETS FROM 230 BALL AT .450 TO SOME CAST LEAD AT .4525 WITH MANY IN BETWEEN ALSO DIFFERENT BRANDS OF BRASS HAVE DIFFERENT WALL THICKNESS. I HAVE SOME
    TZZ MATCH BRASS AND DCM 230 GR. BALL BULLETS WHEN I TRY TO LOAD THE BULLET DOES NOT EVEN TOUCH THE CASE AND FALLS DOWN TO SIT ON TOP OF POWDER SAME BULLET WITH WCC MATCH BRASS I DON'T EVEN NEED TO CRIMP PAST FLUSH. ONLY DANGER ON OVERCRIMP IS DISTORT THE BULLET DO WHAT WORKS FOR EACH TYPE AND SORT CASES BY BRAND AS WELL AS BULLETS quote:"praise the hardball gun"
    0
  • v35
    Assuming the bullets are correct in diameter & the sizer is correct,
    remove the slide springs from your pistols and slowly cycle cartridges from the magazines. They have to advance smoothly into the chambers and not hang up anywhere. If they do, you may need ramp polishing and throating with a Dremel by you or a gunsmith.
    0

Please sign in to leave a comment.

Recent Activity