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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On Sale
HK USP, Mark 23 Magazine Extension Kit - .45 - +7
HKP HK Parts
$50.95 - $53.95HKP 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-21513-M$50.95 - $53.95 -
On Sale
HK45, HK45C, USP Compact Magazine Follower
H&K Heckler & Koch
Now: $8.95Was: $9.95HK USPC, 45, & 45C Magazine Follower A great spare to have on hand as the follower is a wear and replacement part. Do not forget to order spare magazine springs while you are at it. HK German manufacture. Compatible With: HK USPC .45 HK USPC .45...HKP-02249-MNow: $8.95Was: $9.95 -
On Sale
Glock 19 Magazine Parts Replacement Kit
HKP HK Parts
Now: $7.95Was: $15.95Glock 19 Magazine Parts Replacement Kit Includes: 9 round coil spring Locking plate Floor plate. This replacement kit includes the new style magazine insert. All 3 components are factory Glock parts. Compatible With: Glock 19HKP-20854Now: $7.95Was: $15.95 -
On Sale
HK USPC, P2000 Magazine Floorplate - .357 SIG / .40 S&W - 12 Round - Rubberized
H&K Heckler & Koch
Now: $17.95Was: $18.95HK P2000/USPC .40 S&W Rubberized Floor Plate - Black Newer HK German production upgraded rubberized floor plate with finger rest. The older style plates were prone to breakage when dropped, this is the latest style that HK introduced to solve this...HKP-01556Now: $17.95Was: $18.95 -
On Sale
HK UMP Magazine - 30 Round - 9mm
H&K Heckler & Koch
Now: $56.95Was: $62.95HK Heckler and Koch German 9mm 30 Round Factory Magazine for HK UMP The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP, USC buildsHKP-00608Now: $56.95Was: $62.95 -
On Sale
HK VP9A1 K Magazine - 10 Round
H&K Heckler & Koch
Now: $53.95Was: $59.95HK VP9A1 K Magazine - 10 Round Factory 10-round magazine for the VP9A1 K. **HK incorrectly marked packaging with "VP9SK", but the magazine is correct. Features: 10-round capacity for restricted-capacity compliance Durable steel body with polymer...HKP-22301Now: $53.95Was: $59.95 -
On Sale
HK416, MR556, AR-15 Magazine - PMAG M3 - 40 Round
Magpul
Now: $22.95Was: $24.95Magpul PMAG 40 Round AR-15 5.56/.223 Magazine Latest M3 generation, NON-windowed PMAG (Polymer Magazine). Featuring a pop-off storage/dust cover that alleviates pressure from the magazine feed lips, allowing for long-term storage of loaded magazines...HKP-16699Now: $22.95Was: $24.95 -
On Sale
HK91, G3 Magazine Block - 20 to 10 Round Conversion
Raddlock
Now: $5.95Was: $9.95HK 91, G3, & PTR 10 Round Magazine Plug The Raddlock magazine plug is designed to be installed in a 20-round magazine to limit the capacity to 10 rounds for restricted capacity states. Compatible with both aluminum and steel magazines. We...HKP-02443Now: $5.95Was: $9.95 -
On Sale
HK VP9SK, P30SK Magazine - 9mm - 14 Round - Floorplate with Pinky Rest
HKP HK Parts / Heckler & Koch
Now: $59.95Was: $69.95HK VP9SK & P30SK 9mm – 14 Round Magazine New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +2 magazine extension installed & ready to use. This magazine has the same...HKP-20888Now: $59.95Was: $69.95 -
On Sale
HK USP Full Size Floorplate - 9mm and .40 S&W
H&K Heckler & Koch
Now: $7.95Was: $8.95HK USP Full Size 9mm/.40 S&W Floor Plate Compatible With: HK USP 9mm 15-Round Magazine HK USP 40 S&W 13-Round MagazineHKP-01438Now: $7.95Was: $8.95 -
On Sale
HK MP5 Magazine Locking Plate - 9mm - Red
HKP HK Parts
Now: $6.95Was: $7.95HKP HK MP5, MP5K 9mm Magazine Locking Plate - HK Red Teflon infused glass filled polymer red colored locking plate that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the locking plate to a red unit. A great...HKP-18303Now: $6.95Was: $7.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote
MKE
$55.95 - $58.95HK MP5 30 Round Magazine - MKE - AP5 - Cerakote Colors These MKE 30 round magazines are the perfect addition or replacement for your AP5 or MP5. Constructed of heat-treated steel for lasting strength and consistent performance in harsh tactical...HKP-21341-M$55.95 - $58.95