mk12 spr

  1. jh2785

    MK12 SPR Mod 1 complete rifle

    I built this recently but as I mentioned in another ad, I've got way too much stuff and need to sell some things. Full parts list here..... Upper: - 18" Douglas barrel, rifle gas, bead blasted from Compass Lake Engineering - KAC FF RAS quad rail part # 21318 - KAC BUIS (big knob rear sight...