11-25-2021, 03:05 AM
LRRPF52 Wrote:I dont think PSA uses the compound chamber at their price point, so 2.247 even with a 120gr A-MAX shouldnt jam the lands unless the chamber was cut really short.
OP will be able to tell if that COL is jammed by marking the projectile and chambering it, then extracting and looking to see if the rifling has made any marks on the ogive.
There have been a few parallel freebore chambers Ive seen that would jam the lands because they were cut really short, but the norm is to have too much freebore in mass-produced barrels.
I did a comparison of COAL between my PSA pistol and my Lilja 319 barrel.
Check out the results.
Thanks

