Swiss GP90 5.6 62gr

midnightpossum

midnightpossum

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I know this is pricey ammo, just looking for thoughts or review from people that have used it in their AR.
Considering purchasing a small amount for a test run and collecting.
Is it more accurate then lake City/federal xm855?
1:7 twist barrel.
 
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midnightpossum said:
I know this is pricey ammo, just looking for thoughts or review from people that have used it in their AR.
Considering purchasing a small amount for a test run and collecting.
Is it more accurate then lake City/federal xm855?
1:7 twist barrel.
Click to expand...

I find the GP90 5.56mm ammo to be consistently more acccurate than LC/Fed XM855 when fired out of my Swissarms SIG 550. That said, the 550's twist rate is optimized for that specific load, so performance in ARs with different rifling twist rates will vary considerably. YMMV, of course. I recently purchased 1000 rds of the GP90 just to have on-hand. It is definitely semi-Match quality compared to typical buik XM855. Of course, YMMV...
 
Likely the best for factory ammo accuracy, short of reloads with match components.
4 inch(10cm) 10 ring and 5cm X ring diameter at 300 meters target range shot with iron sights and quite a few perfect slow fire scores made every year in competitions.
Sadly, no longer in Canada thanks to Libs.
 
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Ordered 5 boxes, from Trade-EX.. Just want to see what my AR can do before confiscation, with ammo geared towards accuracy.. without spending extra for match grade.
I suspect regular ammo will come in higher the next time its available.
I already know 55gn isn't to great from 1:7 barrel twist... seems to keyhole at times.
 
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