M249S CONVERSION KIT VERSION #2. HDD FULL AUTO CONVERSION KIT 2.0 FOR THE SEMI AUTO M249S GEN 1, M249S GEN 2 AND MK46S. …

NEW MK46, MK48 AND M249S REAR TAKE DOWN PIN, UPPER.  PN# 13020691.  (290)   THESE ARE ALSO A GREAT UPGRADE FOR THE …

NEW MODEL MK46, MK48 AND M249S  REAR LOWER TAKE DOWN PIN. PN# 13020690. (294).   ALSO A GREAT UPGRADE FOR THE OLDER …

NEW M249 AND MK46 FRONT SIGHT ASSEMBLY.  FRONT SIGHT FRAME WITH A2 SIGHT POST.  THIS UPGRADE INSTALLS ON ALL EXISTING …

USED FN M249S BOLT HOLD OPEN BLOCK.

M249S SEMI AUTO, FIRING PIN RETAINING PIN. STAINLESS.

M249S SEMI AUTO FIRING PIN SPRING.

NEW HDD MK46S AND MK48S SLIDE HAMMER SPRING.

M249S, MK46S AND MK48S SEMI AUTO SEAR CATCH PIN. THIS IS THE ROLL PIN THAT GOES INTO THE REAR OF THE TRIGGER FRAME AND T…

MK46S, MK48S AND M249S SEMI AUTO, REAR CLIP PLATE. RETAINING PLATE FOR LOWER TAKE DOWN PIN & CLIP. THIS IS THE LARGER SE…

NEW SEMI AUTO TRIGGER FRAME FOR THE M249S, MK46S AND MK48S. HDD LIGHTWEIGHT VERSION WITH BUILT IN TRIGGER GUARD AND TAKE…

NEW HDD MK46S AND MK48S SEMI, FIRING PIN RETAINING PIN. THESE ALSO FIT THE M249S.