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edited I pulled the spec up again.
.278" +- .002 or .276-.280
I have seen them from the .278 max down to LMTs at .272". It seems lately the extensions are short so any bolt .278 or more can hit the breech of the barrel and not lock.
To figure the important headspace measurement, measure the lugs then subtract the depth of the recess. The difference should be .150-.153"
Last edited by constructor; 09-16-13 at 09:53.
AR15performance
TRUMP 2020
The 6.8 is the best choice for hunting deer and hogs with an AR15.
https://www.rubbercityarmory.com/warranty.phpEligibility/Non-Transferable
This Limited Warranty applies only to the Purchaser of the Products and only if the Products are purchased from Company authorized distributors and/or resellers, or directly from the Company
Without more details, it is impossible to say.
I didn't read the WEVO thread. The letter from RCA said enough to me. It shouldn't matter where it was purchased from, it's their product and their warranty. No different than returning a gun to S&W or any other manufacturer in the event of a defect.
ETA: what does "in spec with our stock" mean anyway?
Correction: my memory must be failing. I was under the impression that they offered an 100% satisfaction guarantee, something along the lines of, if you don't like it, send it back for a full refund. After reading their warranty statement it looks like it was actually stated as a limited Lifetime warranty:
From RCA website: " Except as may be further limited herein, this Limited Warranty shall be effective for the usable lifetime of the Products under normal use and service, which is a period of twenty (20) years, commencing on the date of the original purchase of the Products and continuing to the twentieth (20th) anniversary of such date."
Last edited by mtdawg169; 09-16-13 at 11:12.
When I called with my issue, both Chris and I were mic'ing bolt-lugs over the phone. Mine were .003-.004" longer than any he had in the shop and he begrudgingly offered to swap me bolts. I accepted, but decided later to just decline and cut my losses. I don't need more of their crap. Personally, I feel sorry for the other guys at RCA. Chris is the only one I have dealt with who seems to be cut from that sort of cloth. They should keep him behind a gun and off of the phone, he's good at what he does, and it's not CS.
No, not from them.
It seems the extensions and shank length of the barrels vary quite a bit.
There should be .01 clearance between the largest bolt lug and the breech but I know that isn't the case.
The important measurement is the .150-.153" that dictates the headspace. They may think it's best to hold that measurement and give a little extra clearance to the breech in case the barrels are off. I have done the same thing but not as short as .272" I try to hold the lug length to .275-.277"
AR15performance
TRUMP 2020
The 6.8 is the best choice for hunting deer and hogs with an AR15.
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