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 UMP Magazine Spring - .40 S&W - 30 Round
H&K Heckler & Koch
$8.95HK UMP .40 30 Round Magazine Spring Perfect for spares and to have on hand as these are consumable high-wear items. Compatible With: HK UMP .40HKP-02742$8.95 -
HK P2000SK Magazine - .40 S&W - 9 Round
H&K Heckler & Koch
$49.00German HK P2000 SK 9 Round Magazine - 40 S&W Spare magazines for HK P2000 SK .40 caliber pistols. This magazine holds nine rounds of .40 S&W ammunition.HKP-00307$49.00 -
HK45 +7 Magazine Extension Kit
HKP HK Parts
$74.95HKP HK45 +7 Magazine Extension Kit HK PARTS magazine extension +7 kit adds 7 additional rounds to the HK45 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader when loading...HKP-20808$74.95 -
On Sale
HK VP9, VP40 Competition Magwell Extension
HKP HK Parts
Now: $69.95Was: $129.95HKP HK VP9, VP40 Competition Magwell Extension Our 2-piece, steel insert competition VP9/VP40 extended flared magwell is CNC made from heat treated 4140 billet nitrided steel. The upper portion of the magwell is machined from aircraft-grade aluminum and...HKP-21079-MNow: $69.95Was: $129.95 -
HK VP9SK, P30SK Magazine - 10 Round- 9mm
H&K Heckler & Koch
$49.95H&K 10 Round HK VP9SK/P30SK 9mm Magazine New German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK. Compatible With: VP9SK P30SKHKP-17376$49.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 15 Round - 9mm
Mora Arms
$29.95Mora Arms HK MP5, MP5K Magazine - 15 Round 15-round curved steel magazine for MP5 platforms. Compatible With: MP5, SP5 MP5K, SP5K SP89, HK94 Custom HK 9mm builds & clonesHKP-22352$29.95 -
HK VP9, P30 Enhanced Magazine Extension Kit +5
HKP HK Parts
$64.95Magazine Extension Kit +5 - HK VP9, HK P30 Latest and greatest VP9/P30 Enhanced magazine extension. Our new design was made to give our current magazine extension a more aggressive look and a overall better functionality. With the added features all...HKP-21404-M$64.95 -
HK VP9, P30 Magazine Floorplate - 9mm - 10 Round
H&K Heckler & Koch
$23.95HK VP9 & P30 9mm Magazine Floor Plate For 10-Round Mag New HK German production. 10-round floorplate with tabs for the 10-round HK P30/VP9 magazine. A must-have spare replacement part as the tabs are a common wear and breakage part on the...HKP-02569$23.95 -
HK USP, P30, VP9 Magazine Spring - 30 and 32 Round Mags
H&K Heckler & Koch
$9.95Heckler and Koch 30, 32 Round Magazine Spring for HK USP, HK P30, HK VP9 HK German manufacture new production HK USP 9mm 32 round magazine spring. A super rare and hard to find part for the USP 9mm extended 32 round magazines. This spring took years of...HKP-16407$9.95 -
HK91, G3, PTR Magazine - 20 Round - Aluminum - Like New - FMP
FMP HK CONTRACT
$17.95FMP Portuguese HK91, G3, PTR 20 Round Aluminum Magazine - Like New Portuguese FMP 20-round aluminum magazine for HK91, G3, and PTR pattern rifles. A solid factory-style magazine option for range use, replacement needs, or adding extra mags to your setup...HKP-22558$17.95 -
Dummy Rounds - .45 ACP - Set of 5
Strike Industries
$8.95Set 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 also let you dry fire without risking damage to the...HKP-17384$8.95 -
HK UMP Magazine Locking Plate - .45 ACP
H&K Heckler & Koch
$9.95H&K UMP (.45 ACP) Magazine Locking PlateHKP-16338$9.95