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Posted: 4/1/2015 5:41:23 PM EDT
| I know there's a lot of mixed feelings about forward assists but I'm building two AR's for my daughters using Wilson Combat matched uppers and lowers that I got at half-price before Christmas last year and I don't want to plug the FA holes, I want to use the FA on both. I ordered two Cerakoted FA's on ebay (the photos were of pinned FA's) and when I got them I noticed the barrels of both are smooth, no pins holding the barrel stationary like milspec. One of the barrels was so loose it will actually spin around the button and the action of both pawls feels rough. I have a complete factory SIG AR with the FA and it's pinned, operates smoother,so obviously a better quality item. The SIG's been disassembled for refinishing so I have the FA out to compare. My dumb question of the day is whether the pinned barrels on a FA are a good indicator of quality as opposed to smooth barreled FA's? And yes,I know I'll probably never need to disassemble one but that's not the question. |
Thanks for the replies, I figured the mil-spec versions would be better but the one government maintenance manual I found online doesn't specify whether the pin should pass through the barrel of the FA. The illustrations show the pin above the barrel, not through it. However, most of the so-called mil-spec versions I've seen on many AR15 parts suppliers web sites show photos of the pin through the barrel, but not all. And again, my SIG is mil-spec and the barrel is pinned and longer than the pair I bought online. After quite a bit of searching online I finally found a reference to the military design specs but the two places I found it want a significant amount of money to download it. The government document number is MIL-R-45587. Does anybody know where I might be able to view the design spec document or have the information? I'm extremely curious to find out whether the actual design spec requires the pin through the barrel and the length of the barrel too. I've seen different sizes, shorter and longer. Probably beating a dead horse with a stick here but I'd love to know since there seems to be a lot of variance.
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