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    Lightweight SPR style AR-15

    To the best of my knowledge, those are the correct weights by length (they are listed by JoeBobs and others). They are truly excellent, as is the case with ALL Seekins Precision products and the man himself! I personally like the SP3R rails which have the flat, 2" wide bottom section, but the...
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    New 10/22 Tactical Trainer stock by RTAC

    Hey brother! Long time no see/hear! Glad to see you are continuing on with this project/concept, Kirk. I am one of the fortunate members here who acquired one of Kirk's original production 10/22 A5-style stocks like those pictured above with his first gen brass bedding pillar and it is an...
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    "Bolt Action" AR15 Upper?

    If you want a bolt gun...BUY A BOLT GUN. While I have seen plenty of "accurate" bolt on uppers for the AR-platform rifles (primarily .50BMG, .338LM, etc.) over the years, its just a half-assed compromise for the real thing. There are plenty of quality "AR-esque" chassis systems on the market...
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    GA Precision M1A

    Considering what you can have with $3500 worth of budget toward a large frame AR-platform rifle that will outshine more or less any M1A made (including a GAP-10...cough, cough, cough), I wholeheartedly agree that $3500, regardless of the rifle's provenance, limited availability, etc., is nuts...
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    JP silent capture spring "tuning" springs

    The buffer spring that comes pre-installed in the silent capture unit is more or less the "do-all" spring. It was purpose-built to function best with the widest array of ammo, and was more or less meant to be THE SPRING used in conjunction with an adjustable block to fine tune the rifle's...
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    Buffer weight?

    See my post above re: purported functional issues being assessed by a rifle's ejection pattern. On a piston operated rifle, where using an adjustable block really isn't an option (aside from switching the block already on your rifle to another position...like the POF which has different...
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    Buffer weight?

    You can really muddy the waters by arguing that an ejection pattern at x-o'clock means y just in and of itself, HOWEVER, generally speaking, if your AR is throwing brass forward a blue country mile (like noon to 2 o'clock or so), you could well be overgassed (or underweight with your...
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    AR BCG issue?

    And THAT is why JoeBobs is GTG!!! ;) Hopefully, the new premium BCG will be 100% and your problems will disappear just as quickly as they arrived. Be sure to keep us posted on the continued progress with this situation.
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    Gunsmithing Grafting a barrel to a stub

    You might check the CMP forums for more info. Also, Criterion makes current production M1 Carbine barrels...though they are only offered in the original 1:20" twist as a regular production item. You might check with them since they seem to have the tools and the know-how to make M1 Carbine...
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    GA Precision M1A

    That's the one I was thinking of in my post above that sold for $2500. If you click through to the relisting from your link above, it was sold with a buy-it-now price of $2500. See this link for that sale: Gorgeous GA Precision Springfield M1A .308 Win : Semi Auto Rifles at GunBroker.com
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    GA Precision M1A

    For example...here's one that just sold at the end of last year in what might be like condition/features as yours with a round count of ~500: http://www.snipershide.com/shooting/firearms-sale/227837-sa-m1a-gap-sold.html Don't know the final price, but asking price was $3500.
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    GA Precision M1A

    Have a search through the PX here on the Hide. They come up for sale on occasion and usually bring good money for ones that are in good shape (which it sounds as though your sample is). As for GAP not doing them any longer...I know that they are focusing on other projects including the GAP-10...
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    Buffer weight?

    Heavier buffers and XP springs will work to resolve your overgassing issues (likely the true culprit of your problems), but they are a proverbial bandaid for a sucking chest wound. Instead, I would get right to the root of the problem with an adjustable gas block so that you can fine tune the...
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    Celia's Surgery

    Great news on all counts, Greg! She and your family continue to be in the thoughts and prayers of mine. Keep up the great progress and know that there are many still pulling for you all!
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    308 AR ejection question

    You are trying to diagnose a "hypothetical" ghost in the machine at this point in time that may or may not actually exist under normal conditions and, from the sound of your post above, you realize that its meaningless to worry until you actually get some proper function testing (i.e. - SHOOT...
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    Looking for an accurate AR for around 2k

    The Gen4 POFs were literally just released ~2mo ago so there isn't a lot of first-hand data out and about on them yet, but aside from the new chamber design (E2 to aid with extraction/reliability), newly revised ambi controls, and new tensioning screw setup/design, the heart of the rifles remain...
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    Looking for an accurate AR for around 2k

    Plenty of high quality ARs on the market for $2k and under (considerably less money unless you are dead set on the piston setup) that are capable of achieving MOA and better accuracy assuming a shooter that knows how to operate a semi-auto properly and with decent ammo (reloads or otherwise)...
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    White Oak Armament AR barrels

    ^^ THIS!! ^^ John has forgotten more about quality ARs, especially barrels, than many will ever know. I have run all manner of WOA barrels from the 16" you are looking at through their 20" SDM/SAM-R barrels and they are all incredible values for precision-minded ARs. If its the 16"...
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    AR BCG issue?

    No doubts that the carrier looks awful, is unacceptable from a QC-standpoint, and could easily be contributing to the OP's function woes with this particular rifle. HOWEVER, you didn't start by criticizing the part in question, but rather by attacking the business itself who sold it to the...
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    Bushmaster problems

    Nothing wrong, per se, with the XTR rings, but the lack of forward offset makes standard rings on an AR-15 and a larger, magnified optic, more or less not a workable solution (at least beyond a quick and easy test to ensure your receiver's rail isn't out of whack). Once you get everything...