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Solid Snake's Review of AR57 ULT 16in Barrel 5.7x28mm Upper Receiver Assembly
I think this company sent out of business because they couldn’t get it to cycle correctly , I believe these are all old stock. Good luck getting any support, you’re better off reading the forums. Do not use the buffer that is included and instead order a 9mm heavy buffer, around 7oz. Oil it and shoot it, use FN mags, and you might get lucky and have it run. The fact their included buffer doesn’t work is ridiculous though
Would Recommend:
No
17 of 24
found the following review helpful.