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  1. NHPiper

    MK 12 Picture & Discussion Thread

    Mines 0.212"
  2. NHPiper

    MK 12 Picture & Discussion Thread

    I think you just need it on the set screw of the collar Cheapest alignment rod option is getting a McMaster rod. I have bought four and had good luck. Sometimes the end of the rod is a little bent up so I just sand it out lately before putting it down the bore.
  3. NHPiper

    SOLD Badger 34mm 1.50" Cantilever - $120

    Badger Unimount 34mm 1.50" 20moa. Lightly used. SPF shipped lt swapped for a nightforce 34mm 1.5" cantilever.
  4. NHPiper

    New Build #4 Ridgeline RD15 / Geissele 18" SPR Cut Rifled Barrel. (03JUN25) First Range Session up.

    Thanks @Bigjake83 always appreciate seeing you do these.
  5. NHPiper

    Ridgeline Defense RD-15 LPR

    Yup, that's real right on the width. Thanks for sharing!
  6. NHPiper

    Geissele Cut Rifled SPR Build and Barrel Evaluation. (Part 4 (Load Development 28MAY25) Update!!!

    That's warm! I usually start getting some light ejector marks around 23.8. It's good it's been so available. They charge as if it's actually wrapped in gold haha.
  7. NHPiper

    Geissele Cut Rifled SPR Build and Barrel Evaluation. (Part 4 (Load Development 28MAY25) Update!!!

    What are you running for that load? It's always printed well with 77 SMKs for me and been 50-75fps faster than Varget.
  8. NHPiper

    SOLD 300Blk Upper - $500

    Spf
  9. NHPiper

    SOLD 300Blk Upper - $500

    Ttt
  10. NHPiper

    WTB Surefire 6.5 brake/flash hider SFMB-65-5/8-24

    Looking for a Surefire 6.5 flash hider or muzzle brake. Must be willing to video chat with the device in hand. Thanks!
  11. NHPiper

    SOLD Accurate AICS 223 Mags (2) - $85

    AI plastic mags are sold