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Recent content by mtgale00

  1. mtgale00

    Gunsmithing AR Bolt Lug Face

    Normal... Dry charging may be making it stand out. The bolt hardness is likely 30+ points harder than barrel material. Somethings gotta give. I doubt this would ever be a concern when a chrome lined or nitrided barrel is used.
  2. mtgale00

    Another 338LM Cratered at Shot

    While it operates from an open bolt, the bolt assembly and bolt carrier with modification still operates identically to a traditional AR platform.
  3. mtgale00

    Another 338LM Cratered at Shot

    Agreed... I'd argue that 99.9% of an AR pattern rifles going high order is a result of a case failure. There is a decent amount of unsupported cartridge case when the bolt is locked on a 5.56 metallic cartridge. I'm a lefty and a 338LM DRD gives me nightmares. @Lowlight - Are any photos available?
  4. mtgale00

    Looking For Help Troubleshooting Aero Precision 6.5 CM

    Did you get your cam pin and firing pin from JP with your bolt assembly? Have you seen this warning at the bottom of this page: JP Bolt Compatibility
  5. mtgale00

    Gunsmithing Nitriding a barrel

    @Drago6 - You're getting some dubious advice in this thread. I suspect your experience and toolset is well below what's necessary to realize your dream. You were given some good counsel in the thread on TOS. Lighting another fire on this forum is pointless.
  6. mtgale00

    Troubleshooting JP Enterprises AR10 - BCG Out of Battery

    Bully on JP for stamping their name on someone else's problem. Just curious why you didn't put pressure on the Tier 1 builder for answers.
  7. mtgale00

    AR10 Question

    Sounds like your barrel extension wasn't deburred properly (if at all). Inspecting the scratch carefully will tell you what side of the barrel extension its on. A burr on the muzzle side of the barrel extension (most likely location) will be difficult to remedy. If there is a burr, flitz, paste...
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