Magazines / Extensions / Brass Catchers
Explore our extensive selection of HK magazines and extensions designed for enhanced capacity and performance across a range of HK models including the VP9, USP, MP5, and more. From rugged steel magazines to advanced polymer extensions, our inventory caters to both tactical and recreational needs, ensuring reliable feeding and durability. Enhance your HK firearm with precision-engineered magazine upgrades, available now for various calibers and applications.
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Out Of Stock
HK USP Standard Floorplate Magazine - .45 ACP - 12 Round
H&K Heckler & Koch
$59.0012 Round HK USP .45 ACP Standard Floorplate Magazine New HK German USP 45 12-round magazine with standard floor plate (no extended finger rest) as this mag sits flush. Compatible With: HK USP .45 Full-Size Pistols HK USP .45 Tactical$59.00 -
HK UMP Magazine - .40 S&W - 30 Round
HKP HK Parts
$49.95UMP, SMG .40 Cal - 30 Round Magazine Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Each magazine features, steel feed lips, enhanced polymer construction and all correct updated...$49.95 -
Out Of Stock
HK 10 Round HK P2000SK 9mm Magazine - Red Follower
H&K Heckler & Koch
$49.95HK P2000 SK 9mm - 10 Round Magazine with Finger Rest - Red Follower HK German manufacture and factory fresh production. Each factory HK all-steel-bodied magazine holds 10 rounds of 9mm ammunition. Compatible With: HK P2000SK$49.95 -
HKP 27 Round HK VP9, HK P30 9mm Complete Magazine
HKP HK Parts
$109.9527 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 Drop-in magazine ready to go! HK Parts takes an existing 17 round magazine and a +10 magazine extension to assemble them into a working 27 round magazine. Compatible With: HK VP9, VP9...$109.95 -
HK USP, Mark 23 .45 ACP Magazine Locking Plate
H&K Heckler & Koch
$8.95HK 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 12 Round$8.95 -
HK VP9, HK P30 Magazine Extension Kit - +7
HKP HK Parts
$54.95HKP +7 HK VP9/P30 Magazine Extension Kit The HK Parts +7 magazine extension kit adds 7 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate & mag spring. Each kit includes the +7 extension and an enhanced spring. This...$54.95 -
HKP +5 HK P2000/USPC 9mm Magazine Extension
HKP HK Parts
$49.95HKP +5 HK P2000/USPC 9mm Magazine Extension HK Parts magazine extension +5 adds 5 additional rounds to the HK P2000, 13 round magazine. It uses the existing mag body, spring, and follower. Just slide the magazine extension on and tighten it and you're...$49.95 -
HKP, HK 19 Round HK Mark 23 / USP .45 ACP Complete Magazine
HKP HK Parts / Heckler & Koch
$109.95Magazine Extension Complete - 19 Round - HK Mark 23/USP .45 Designed specifically for the Mark 23 and USP .45—perfect for those who want extra firepower at the range. Each magazine comes fully assembled and ready for immediate use. We expertly take...$109.95 -
HK MP5, MP5K 9mm Magazine Locking Plate
H&K Heckler & Koch
$16.95HK MP5 & MP5K Magazine Locking Plate - German New steel HK German manufactured MP5, MP5K curved magazine locking plate for the magazine. Compatible With: 40-round magazine 9mm 30-round magazine 9mm 20-round magazine 9mm 15-round magazine...$16.95 -
HK USPC, P2000 Magazine .40 S&W - 12 Round
H&K Heckler & Koch
$58.9512 Round HK USPC & HK P2000 .40 S&W Magazine Low-profile magazine for concealed carry or a lower profile. Each is brand new old stock and may or may not be LEO marked on the magazine body. Compatible With: HK USP Compact .40 S&W HK P2000 .40...$58.95 -
HK VP9SK, P30SK Magazine Extension Kit - +5
HKP HK Parts
$39.95HKP +5 HK VP9SK/P30SK Magazine Extension Kit Adds 5 additional rounds to the HK VP9SK/P30SK 10 Round magazine with the simple swap of the floor plate & high reliability mag spring. This is an easy 2 min. swap. No gunsmithing needed. Ultra low...$39.95 -
HK USP .40 S&W +5 Magazine Extension
HKP HK Parts
$49.95HKP HK USP .40 S&W +5 Magazine Extension HK Parts magazine extension +5 adds 5 additional rounds to the full size USP & USP Tactical 13 round magazine. It uses the existing mag body, spring, and follower. Just slide the magazine extension on and...$49.95