What size groups should one reasonably expect from a 16inch 1/7 twist chrome lined government profile barrel shooting XM193 at 100 yards?
I ask this because when sighting in my TA11H yesterday I was getting about 2 1/2 inch groups with XM193. While acceptable for defensive purposes I was somewhat dissapointed at that result, and seeing as ammunition has been hard to come by I have yet to experiment with with other loads and bullet weights.
Or do the 1/7 twist barrels tend to get better results with the heavier bullets?


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