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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HK23, HK21, HK11, MG3 Ammunition Belt Starter Tab
H&K Heckler & Koch
$5.95H&K HK21/MG3 Ammo Belt Starter Tab - 7.62x51/.308 Starter tabs for HK21 and MG3 belt-fed rifles. Compatible With: HK 23/21/11HKP-21439$5.95 -
HK USP, Mark 23 Enhanced Magazine Extension Kit - .45 ACP - +5
HKP HK Parts
$49.95HKP HK USP .45 ACP/Mark 23 Enhanced Magazine Extension Kit +5 HK Parts USP .45/Mark 23 enhanced +5 magazine extension. Our design represents a symbiotic balance of form and function. The added...HKP-21458-M$49.95 -
On Sale
HK91, G3, PTR Dual Magazine Clamp
HKP HK Parts
Now: $23.96Was: $29.95HK91, G3, PTR - .308/762 Dual Mag Clamp The HK91, G3 magazine grip or dual magazine clamp. Holds two magazines together for ease of use and easy access to 2 magazines. Half the weight of the factory...HKP-19634Now: $23.96Was: $29.95 -
On Sale
HK USPC, P30 Magazine Adapter
X-Grip
Now: $12.76Was: $15.95X-Grip HK USPC/P30 Magazine Adapter The XGRIP HKUSPC is a new patent pending OEM factory accessory for the HK USP Compact that enhances the versatility, look, and feel of the gun. Features:HKP-16671Now: $12.76Was: $15.95 -
HK MP7 Magazine - 4.6x30mm - 30 Round
H&K Heckler & Koch
$81.95MP7 30 Round Magazine New factory German HK 30-round magazine for the 4.6x30mm HK MP7A1 & MP7A2 weapon system. This is a popular spare magazine option as it is not too large and not too small of...HKP-02455$81.95 -
On Sale
HK G36 Magazine - 30 Round - Magpul
Magpul
Now: $25.16Was: $27.95Magpul 30 Round HK G36 5.56/.223 Magazine The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms...HKP-01740Now: $25.16Was: $27.95 -
Out Of Stock
HK MP5, MP5K PMAG D50 Drum - 50 Round
Magpul
$124.95Magpul - PMAG D-50 - MP5, SP5, Mp5K, SP5K Lightweight but incredibly strong, our PMAG D-50 MP is a highly reliable, 9x19mm Parabellum, 50-round drum magazine for HK94/MP5 large-format pistols and...HKP-19536$124.95 -
HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Pinky Rest - Rubberized
H&K Heckler & Koch
$19.9513 Round USPC & P2000 9mm Magazine Floor Plate w/ Pinky Rest This part is the new style floor plate that is rubberized to resist breakage when the magazine is dropped. Compatible With:HKP-02648$19.95 -
HK USPC, HK45C Magazine - 12 Round - .45 ACP
HKP HK Parts
$79.95HKP 12 Round .45 ACP Magazine for HK45 Compact and HK USP Compact HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit is then fully assembled as a 12...HKP-18672$79.95 -
On Sale
HK416, MR556, AR-15, M4 Magazine - TMAG - 30 Round
Magpul
Now: $22.46Was: $24.95Magpul AR/M4 30 Round TMAG Magazine The TMAG 30 AR/M4 GEN M3 is a highly reliable, translucent, 30-round magazine for STANAG-compatible weapons chambered in 5.56x45 NATO/.223 Remington. Molded from a...HKP-21149Now: $22.46Was: $24.95 -
HK VP9, P30 Extension Kit - Magazine - 17 Round
HKP HK Parts
$39.95HK Parts Magazine Extension +5 Capacity for HK 17 Round Magazine - HK VP9, P30, P30L New & improved Gen 2 model! HK Parts Magazine Extension +5 kit adds 5 additional rounds to the HK VP9/P30 17 round...HKP-19296$39.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - RAL8000
H&K Heckler & Koch
$98.99New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Factory Heckler & Koch 9mm, 30-round magazine finished in RAL8000. These magazines are painted by the...HKP-19354$98.99