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I have a Rock Island Armory 1911 Tactical. From all I have read, it's a original 1911 design, no modern "improvements" with the exception of the hammer and sights. The feeding mechanism is exactly as John Browning designed it.
Except, it came with a modern magazine with "wadcutter" style feed lips, which are the standard on almost all magazines I have been able to find. Lots of problems feeding #8 and #7, after it worked, but it was "chunky." If you tried close the slide slowly, it would jam everytime. It had to smack the round hard to get it in the chamber. Got a few set back rounds too.
USGI style lips, as John Browning designed to work in a 1911 with 230grain ball ammo, are hard to find. After reading a article about the subject, and commenting how perfect the gun seemed to feed with ball ammo and USGI feed lip 7 round mags, I ordered a couple from Check Mate Industries.
Well I am VERY pleased. It's like butta! I can close the action VERY slowly and the round goes into battery perfectly every time. Full magazine loads top round like every other. Just utterly smooth. Almost like it's how the designer intended!
Except, it came with a modern magazine with "wadcutter" style feed lips, which are the standard on almost all magazines I have been able to find. Lots of problems feeding #8 and #7, after it worked, but it was "chunky." If you tried close the slide slowly, it would jam everytime. It had to smack the round hard to get it in the chamber. Got a few set back rounds too.
USGI style lips, as John Browning designed to work in a 1911 with 230grain ball ammo, are hard to find. After reading a article about the subject, and commenting how perfect the gun seemed to feed with ball ammo and USGI feed lip 7 round mags, I ordered a couple from Check Mate Industries.
Well I am VERY pleased. It's like butta! I can close the action VERY slowly and the round goes into battery perfectly every time. Full magazine loads top round like every other. Just utterly smooth. Almost like it's how the designer intended!