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Thread: FINAL: EPC PCC Build -- Intermittent Light Primer Strikes

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    Jan 2010
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    FINAL: EPC PCC Build -- Intermittent Light Primer Strikes

    Love it when a pile of parts come together. Especially since I’d been collecting them since February.

    Here's the build sheet:
    • Receiver Set - Aero Precision EPC - 9mm
    • BCG - Aero Precision EPC - 9mm
    • Buffer Tube Set - Aero Precision EPC - 9mm
    • Replaced AP's .308 carbine buffer spring w/ AR15 carbine buffer spring (softer shooting)
    • LPK w/ FCG - Aero Precision EPC - 9mm
    • Grip - Magpul K2+
    • Charging Handle - FoxTrot Mike Warhammer - Ambi
    • Muzzle Device - VG6 Epsilon
    • Safety - Battle Arms Development Inc. - BAD-Ass Pro Safety Selector Ambidextrous
    • Barrel - Macon Armory 'Guaranteed to Feed'
    • Handguard - Odin Works O2 Lite M-LOK Free Float Forend
    • Optic / Red Dot - Lucid HD7 swapped out for a Swampfox Liberator Gen1 greendot (10oz weight savings)
    • Mags - Magpul (Glock) 21 round



    1st time out I was able to zero the red dot and feed it a varied diet. Ran it a little too dry I think. After about round 25 I had a FTF with 124gr Federal FMJ, cleared, ran a few more another FTF, rinse repeat. Deformed the cases.

    Ran a full magazine of 147gr Federal HST JHP through, no issues.

    Ran 50 rounds of Federal 147gr flat nose FMJ 1 FTF and then action mortared and deformed the case.

    I hit the works w/ some Ballistol and the matter seemed to resolve itself. In all I put about 150 mixed rounds through it I'd like another 500 w/o hiccups before I call it finished.

    A subsequent range session after a thorough cleaning and lubrication resulted in 99/100 rounds fired without malfunction. (Federal 124gr FMJ)

    Ran another 150rds through it this weekend had 3 light primer strikes and case deformities. (Federal 124gr FMJ)

    Accuracy is good out to 50yds.

    Any thoughts or suggestions?

    49E8B07F-9ACB-4966-A72D-68994E8E108A.jpeg

    IMG_5004.JPG
    Last edited by ksosay; 12-10-22 at 14:02.

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