MK23 Magazines / Extensions

HK Mark23 SOCOM 10 Round Magazine Fits all HK Mark 23 and or Socom pistols.

HKP HK Parts and Heckler and Koch Magazine Extension Complete 19 Round - HK Mark 23 and USP .45 Designed specifically for the Mark 23 and USP .45—perfect for those who want extra firepower at the...

HK Magazine Locking Plate For .45 Cal - 12 Round Magazines New HK German magazine locking plate. Compatible With: HK Mark 23 12 Round HK USP .45

HKP HK USP .45/MK23 - Magazine Extension Kit +7 HKP highly recommends using a magazine loader when loading ammunition into our extended magazines due to increased spring tension versus factory...

HKP HK Mark 23 Extended Magwell The HKP MK23 extended magwell improves upon the factory design with a larger opening and additional, textured grip area.  That translates to faster mag changes and...

HK Parts and Heckler and Koch Complete 24 Round Magazine for Mark 23, SOCOM  New HK German MK23 Magazine body combo; pre-installed along with the HK Parts mag extension kit fully installed. Each...

HK German Mark 23 Magazine Spring - 12 Round A must have repair and replacement spring for your HK Mark 23 Socom Mags. Compatible With: HK Mark 23 12 round magazines &nbs

Set of 5 .45 ACP Dummy Rounds Strike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They...

Mark 23 .45 Cal - 24 Round Magazine Extension Kit The HK Parts manufactured Mark 23 mag extension allows the user to convert existing HK Mark 23 12 round magazine to an enhanced 24 round magazine...

HK Mark 23 10 Round Magazine Floor Plate Great item to have on hand as these are prone to breakage and wear. Compatible With: HK Mark 23 10-roun

HKP HK USP45, Mark 23 +5 Magazine Extension Kit - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...

HKP SOCOM Magazine Follower for USP45 and Mark 23 Magazines HKP SOCOM magazine follower for USP45 and Mark 23 magazines. Made in the USA, this follower is an ideal replacement for worn magazine...