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Military Firearm Restoration Corner

9Mm Range Test


Sailormilan2

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I've been working on a switch caliber gun, based on a Springfield Armory Inc 1911 Mil Spec 45 acp, using a Rock Island Armory slide, with unknown brand 9mm barrel purchased from Numrich(though I think I know who made the barrel). I previously had a RIA barrel installed, but I wasn't happy with the results.

First range tests had it shooting a bit low at 15 yds, so I installed an LPA SPR series adjustable rear sight on it. Which raised the point of impact at 15 yds from about 1" low, to about 7" high. Fortunately, I have a new MGW208 front sight, which will get installed in a couple of days, which should lower the POI.

First group, 124 gr Armscor FMJ reloads, over AA#5. 9 shots, 6 o clock hold under the bull,

 

9mmfmj_zps8clu6bhv.jpg

 

Second group, fired on top of the first group. 121 gr cast Lyman TC, over Unique. 8 shots(there was one FTFeed), same hold. Total of 17 shots fired between the two loads,

 

9mmBoth_zpseltvys2x.jpg

 

Most of the testing has just been for functioning. But, it looks like it's a keeper.

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  • 2 weeks later...

2nd trip to the range after doing some work to fix the problem with shooting high. I installed a new, taller front sight, and then installed an adjustable rear sight. Here is the target. 12 shots, 15 yds.

 

9mm15yds2_zpsd4tjchxv.jpg

 

Now, to focus on the 45s.

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