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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HK P2000 Magazine Extension Kit - +10
HKP HK Parts
$64.99HKP HK P2000 +10 Magazine Extension Kit HK Parts magazine extension adds 10 additional rounds to the HK P2000 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader when loading...$64.99 -
HK UMP Magazine Locking Plate - .45 ACP - US
USA
$6.95HK UMP .45 Magazine Locking Plate Made in the USA$6.95 -
HK USPC, P2000 Magazine Floorplate - .40 S&W - 10 Round - Extended
H&K Heckler & Koch
$9.95New HK German USPC/P2000 Mag floor plate for .40 S&W 10 Round Magazines Compatible With: HK USP Compact .40 cal HK USP Compact .357 SIG HK P2000 .40 cal$9.95 -
HK MP5, 94 Magazine Spring - 15 Round
H&K Heckler & Koch
$8.95HK German MP5, 94, SP89, MP5K 15 Round Magazine Spring Compatible with all 15 Round MP5 and 94 style curved magazines. This is a must-have repair and replacement part, great to have for spares.$8.95 -
B&T APC10, SPC10 Magazine - 30 Round
B&T Brugger & Thomet
$100.00B&T 30 Round APC10/SPC10 Magazine - 10mm Compatible with any G pattern 10mm B&T firearm. Compatible With: B&T APC10 B&T SPC10$100.00 -
On Sale
HK VP, P30 Magazine Extension Kit - +5 Round - Red - BLEMISHED
HKP HK Parts
Now: $31.95Was: $44.95HKP +5 Round HK VP/P30 Magazine Extension Kit - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The new and improved Gen 2 Model is now...Now: $31.95Was: $44.95 -
HK VP9 Magazine - 25 Round – Red Cerakote
HKP HK Parts / Heckler & Koch
$89.95H&K / HKP 25 Round HK VP9 Magazine – Red Cerakote HKPARTS +10 alloy magazine extension coupled with an HK 15 round factory German magazine adds 10 additional rounds total for a fully assembled 25 round HK VP9/P30 magazine. Ideal for competitive...$89.95 -
HK 30 Round HK MP5 40/10 Magazine - Gray - Used
H&K Heckler & Koch
$159.9530 Round HK MP5 40/10 Magazine - Gray - USED These magazines are no longer available and we have just a few remaining units. Once they are gone, they are gone for good. These magazines are USED and are not eligible for return. Please...$159.95 -
HK MP5 Magazine Spring - .22LR - 10 Round
HKP HK Parts
$3.95HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...$3.95 -
Out Of Stock
HK 21 Ammunition Belt Box Adapter
Michaels Machines
$274.95Belt Box Adapter A new custom-made adapter - allows you to use HK German factory HK21E belt boxes on the HK21 older style or original style belt feds. It is a drop-in design that will enable easy and quick use of the superior HK21E belt boxes...$274.95 -
HK23, HK21, HK11 Ammunition Belt with Starter Tab - 200 Round
H&K Heckler & Koch
$114.95H&K HK21 200 Round Belt with Starter Tab - 7.62x51/.308 Custom 200 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just isn't enough! Compatible With: HK 23/21/11$114.95 -
HK G3 .22 20 Round Conversion Magazine - USED
$199.95HK G3 .22 20 Round Conversion Magazine - USED HK .22 caliber conversion kit 20-round magazine for The G3/91. Ideal for those that have the caliber conversion kit and wants to stack up on spare magazines. Condition is used to like new in the gray paint...$199.95