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 Follower - .40 S&W
H&K Heckler & Koch
$9.95HK UMP 30 Round Magzine Follower .40 S&WHKP-01901$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 magazinesHKP-00221$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...HKP-02448$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 PlateHKP-01269$14.95 -
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...HKP-22090$27.95 -
HK USP Full Size Magazine Floorplate - .40 S&W - 10 Round - Standard
H&K Heckler & Koch
$8.9510 Round HK USP .40 S&W Full Size Standard Magzine Floor Plate Compatible With: HK USP 40 Full Size S&W 10 Round MagazineHKP-01439$8.95 -
HK 5 Round HK USC .45 ACP Magazine
H&K Heckler & Koch
$57.95HK German Factory 5 Round USC .45 Magazine This is the only magazine that HK offers for the HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible With: All HK USC carbinesHKP-20041$57.95 -
HK G36 (5.56/.223) 10 Round Factory Magazine - FDE
H&K Heckler & Koch
$87.95HK G36 10 Round Magazine in Flat Dark Earth (FDE) Compatible With: G36 G36K G36C Double Stack Capacity Magwell Converted SL8's Specifications: Capacity: 10-rounds Condition: New, rare find Manufacturer: HK GermanyHKP-18727$87.95 -
HK UMP Magazine - .40 ACP - 30 Round - LEO Marked
H&K Heckler & Koch
$99.95Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were used before they switched over to the windowed UMP...HKP-20749$99.95 -
On Sale
HK USP Compact Lockout Device
H&K Heckler & Koch
Now: $9.95Was: $18.95HK USPC Lockout Device Easily installs to lock out the magazine. Used to comply with certain state laws and as an added safety feature. This lockout device can be retrofitted to older-style USPC's that do not have the lockout device installed. Compatible...HKP-01500Now: $9.95Was: $18.95 -
HK 91, G3, PTR Magazine - 20 Round - Alloy - Like New
Rheinmetall
$19.95Rheinmetall HK G3, HK91, & PTR91 - 20 Round Magazine - Like New G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. Compatible With: HK G3 HK91 PTR91 In-spec. clones and custom...HKP-22495$19.95 -
HK MP5, MP5K Magazine - LEO Marked - 30 Round
Other
$44.95Turkish Contract 30 Round LEO Marked Magazine for HK MP5, MP5K Replica LEO laser markings that replicate those found on factory magazines. This is a Turkish contract 30-round magazine for MP5 and MP5K pattern firearms. Manufactured to military...HKP-22487-M$44.95