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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B&T USW-A1 Magazine - 9mm - 17 Round
B&T Brugger & Thomet
$45.00B&T 17-Round BT USW-A1 9mm Magazine New Swiss B&T manufactured 17-round magazine for the USW-A1 9mm. This item is restricted in certain states. All Federal, State and Local laws apply. Specifications: Factory new condition 17-round...$45.00 -
HK VP9, VP40 Accessory Kit
HKP HK Parts
$254.95HKP HK VP9/VP40 Accessory Kit Includes: Comp Weight - HKP-21080-M Magazine Extension - HKP-21108-M Magwell - HKP-17802-M Slide Plate - HKP-17676-M Compatible With: HK VP9, VP9 Tactical, VP40, VP40 Tactical NOT compatible with VP9L, VP9A1 F, VP9A1 K$254.95 -
HK417, MR762 Magazine Catch
H&K Heckler & Koch
$49.95H&K HK 417/MR762 Magazine Catch This is the actual mag catch for the MR762 and HK 417 family of firearms. A great spare to have on hand. Compatible With: HK 417 HK MR762$49.95 -
HK UMP Magazine - 25 Round - LEO Marked - Used
H&K Heckler & Koch
$149.95German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings. Condition of used parts will vary. All used parts are sold AS-IS. Compatible With: HK UMP .45 ACP$149.95 -
On Sale
HK91, G3, PTR TWO Magazines and Rubberized Mag Pouch - 20 Round
H&K Heckler & Koch
Now: $29.95Was: $49.95H&K 91/G3/MSG90 (7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch 2 new/like new HK German 20 round aluminum magazine with green rubberized mag pouch bundle deal: 2 20 round aluminum magazines with new green rubberized mag pouch...Now: $29.95Was: $49.95 -
On Sale
HK MP5 Magazine - 9mm - 30 Round - 1st GEN - USED
KCI
Now: $23.95Was: $34.95KCI 30 Round HK MP5 9mm 1st GEN Magazine - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Features: 30-round capacity 9mm caliber marked (9mm x...Now: $23.95Was: $34.95 -
HK VP9 A1, P30 A1 Magazine Floorplate - 9mm - 17 Round
H&K Heckler & Koch
$21.95H&K VP9/P30 A1 17 Round Magazine Floorplate Factory replacement floorplate for VP9 and P30 17 round magazines. Compatible with HK VP9/P30 A1 17 round magazines HK VP9/P30 15 & 17 round magazines Please Note: This magazine floorplate can be used...$21.95 -
On Sale
HK VP, P30 Magazine Extension Kit - +5 Round - Red - BLEMISHED
HKP HK Parts
Now: $33.71Was: $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: $33.71Was: $44.95 -
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 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 -
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