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Discussion Starter · #1 ·
Does any one have a lead on an ACR piston spring(action spring) After going to 12.5", the extra gas has mangled mine. I called Bushmaster, but you guys know how that went.
 

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i need one too, but mine was getting screwed up with the 16" barrel, the 10.5 definately didnt help life for it, still runs fine but the spring is shaped like a funnel at the one end
 

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Discussion Starter · #3 ·
Same shape here. It's also developing a "L" shape bend on the end closest to the barrel nut. By the way, the 12.5" is still not running with the m4-2000 attached. I think I wanted the ACR to be what I expected, instead of allowing it time to mature as a platform. . . oh well.
 

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So even with the adjusted gas system, your springs are taking extensive damage?

Same shape here. It's also developing a "L" shape bend on the end closest to the barrel nut. By the way, the 12.5" is still not running with the m4-2000 attached. I think I wanted the ACR to be what I expected, instead of allowing it time to mature as a platform. . . oh well.
Who did work on your SBR?
 

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Try the folks at Wolff springs, they might have something that'll fit in the interim.
 

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That's a great place to look, would you mind sharing how you resolved this issue in case more users develop simliar issues?
Well, I haven't had any troubles with my rifle in that respect but I've worked with the folks at Wolff before on replicating an action spring on a friend's old .22 rifle. They were plenty helpful.
 

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Discussion Starter · #9 ·
Sorry CRMANN,
Bushmaster's reply was "looks like it's backordered and there's no ETA. Try our distributors like Midway and Brownells". I would gladly give them my 3 bucks if they had any springs to offer.
 
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