Posted: 7/6/2017 5:50:06 PM EDT
| My Kimber Team Match II in 45ACP felt like it was taking a beating while firing factory 230gr ball ammo, as well as my 200gr swc major load. Got a Wolff recoil calibration pak (extra power pak). It's directions say to start with the strongest spring, then work down until you get good function. Well I got good function on the top, 24lb spring. Is this normal for factory ball ammo? I believe the standard spring for most 45 5" 1911s is 18lbs? What am I missing here? |
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Quoted:
Either your loads are 10MM level hot, or you have a very weak hammer spring. What does the bottom of your firing pin retainer look like? |
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Quoted:
16 lbs is gov std for 45 acp ball ammo. I would not go above 18.5 lbs on the recoil spring. My major load of at 170 pf for 200 LSWC I use a 14 lbs recoil spring using std SA inc ILS internals. A fbfp stop and a heavier mainspring too. |
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Functions fine for me as well, but when I did bill drills I found increased vertical stringing when using a stronger recoil spring.
I think the gun nose dives with the larger recoil spring in my hands. now 14 lb recoil spring gave me the smallest group in the shortest amount of time. the 200 grain loading at 170 pf is weaker than factory loadings (850 fps vs 900 fps) |
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