MK23 Magazines / Extensions

Maglula Universal Magazine Loader The UpLULA mag loader is a military grade-quality universal pistol magazine loader and unloader designed for loading and unloading almost all 9mm Luger up to .45 ACP magazines, single and double stack, and 1911's of all...

HKP HK USP .45 ACP/Mark 23 +5 Magazine Extension Super easy to install, simply add the mag extension to your existing mag body and follower. An easy 2 minute swap, no gunsmithing needed. Made in the USA out of aircraft grade hard coat anodized aluminum...

HKP HK USP .45 ACP/Mark 23 Enhanced Magazine Extension Kit +5 HK Parts USP .45/Mark 23 enhanced +5 magazine extension. Our design represents a symbiotic balance of form and function. The added grooves enhance dexterity during those quick mag swaps while...

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

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. Includes: +7 magazine extension Extra power enhanced...

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 better control of the pistol, especially when wearing...

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 capacity. Easy to install, each kit comes complete with...

H&K 10 Round USP/Mark 23 .45 ACP Magazine Housing Only  New HK German USP .45 & Mark 23 10 Round Magazine body only. All Steel HK construction.

10 Round HK Mark 23 Magazine Housing