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
Dual Magazine Pouch - 338LM - Velcro Mount
B&T Brugger & Thomet
Now: $9.71Was: $24.95B&T Dual Magazine Pouch - 338LM Designed for the B&T APR338 but will fit other, similarly sized magazines. Made from heavy duty Cordura fabric in Poland by NFM Group.Now: $9.71Was: $24.95 -
HK USP Magazine Extension - 9mm - +7 Round
HKP HK Parts
$69.95HK Parts Magazine Extension for your HK USP or HK USPT 9mm +7 Magazine Extension Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing required. Made in the US from aircraft-grade hard coat anodized aluminum...$69.95 -
HK G36 Magazine Spring - 30 Round
HKP HK Parts
$7.95HKP HK G36 Replacement 30 Round Magazine Spring A high-quality replacement spring designed to restore optimal performance to your G36 magazine. Built to withstand frequent use, this component ensures smooth feeding and reliable function. Compatible...$7.95 -
Out Of Stock
HK MR762 Single Magazine Pouch - Tan Camo
H&K Heckler & Koch
$89.95H&K HK MR762 Single Magazine Pouch - Tan Camo Factory HK single magazine pouch, Molle compatible Compatible With: HK MR762$89.95 -
HK VP9, P30 Magazine Extension Kit +10 - Cerakote Black
HKP HK Parts
$69.95Magazine Extension Kit +10 – Cerakote Black - HK VP9, HK P30 HK Parts magazine extension +10 kit adds 10 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly...$69.95 -
HK USP Magazine Locking Plate - 9mm - 10 Round
H&K Heckler & Koch
$5.95Magazine Locking Plate For USP 9mm Full Size Magazines Compatible With: USP 9mm 10 Round$5.95 -
HK UMP Magazine Follower - .40 S&W
H&K Heckler & Koch
$9.95HK UMP 30 Round Magzine Follower .40 S&W$9.95 -
Out Of Stock
HK91, G3 Magazine Loader
H&K Heckler & Koch
$0.00HK Factory Loader for HK 91/G3 Magazines Compatible With: HK 91 magazines HK G3 magazines PTR-91 Magazines HK PSG1 magazines HK MSG-90 magazines HK 90 series 308 magazines$0.00 -
Raddlock 91/G3 (7.62x51/.308) Magazine Sled
Raddlock
$12.95Magazine Block for HK G3,91, PTR .308 Rifles. The Raddlock magazine block converts a mag-fed rifle to a single-shot rifle as dictated by certain restrictive states. Once installed, the rifle will only be able to be loaded through the ejection port...$12.95 -
Out Of Stock
HK MP5 Magazine Floorplate - 10mm / .40 S&W
H&K Heckler & Koch
$14.95New HK German MP5/40 Magazine Floor Plate$14.95 -
HK CC9 Magazine Locking Plate - 12 Round
H&K Heckler & Koch
$5.95H&K CC9 Magazine Locking Plate - 12 Round Locking plate for H&K CC9 12-round magazine. Secures the floor plate and internal components to the magazine body. German-made by H&K. Compatible With: HK CC9$5.95 -
HK MG3 50 Round Assault Drum
H&K Heckler & Koch
$27.95H&K MG3 50 Round Assault Drum H&K manufactured 50-round drum for the MG3. Unissued, but may have light marks or dust from long-term storage. Clips onto MG3 feed trays. With minor modifications, these can be run on HK21, HK21E, and HK51B setups...$27.95