Discussion in 'Gun Project Questions & Gunsmithing' started by AckleymanII, Feb 12, 2018.
Are reamer specs larger for AR's to allow for grit in the chamber?
No but most mfrs use bigger specs in the 5.56 and 223rem steel barrels because of the parkerizing and they turn out even bigger due to mass production. Thats not usually the case with a precision barrel like a woa or cle with a wylde or other non saami chamber
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