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/HKP 14 Round HK VP9SK Complete Magazine
HKP HK Parts / Heckler & Koch
$69.95H&K/HKP 14 Round HK VP9SK Complete Magazine HK Parts modifies an existing 12 round magazine with a +2 extension to create a fully functional 14 round magazine. Specifications: 4-1/2" overall length Compatible With: HK VP9SK$69.95 -
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 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 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 Magazine$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 carbines$57.95 -
HK45 Grip Bearing With Lockout Device
H&K Heckler & Koch
$26.95HK 45 Grip Bearing With Lockout Device$26.95 -
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 Germany$87.95 -
HK USP Magazine - 9mm - 10 Round - Standard Floorplate
H&K Heckler & Koch
$54.95HK USP9 Magazine - 10 Round - Standard Floorplate Factory 10-round magazine for the HK USP9, featuring a standard floorplate. Compatible With: HK USP 9mm$54.95 -
Out Of StockOn Sale
HK33, HK53, HK93 Magazine Unloader - RARE
H&K Heckler & Koch
Now: $112.46Was: $199.95H&K 93/53/33 Magazine Unloader - RARE New old stock genuine H&K magazine unloader designed to assist in unloading rounds from HK 93, 53, and 33 magazines. No longer in production and hard to find. Compatible With: HK 93/53/33 THIS CLOSEOUT PART...Now: $112.46Was: $199.95 -
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...$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...Now: $9.95Was: $18.95 -
On Sale
HK416, MR556 Drum System - Beta C-Mag - 100 Round
Beta C-Mag
Now: $499.95Was: $564.95100 Round Beta C-Mag For The HK416 & MR556 Firearms These drums are designed with clear back covers to enable you to see your round count. This works in any weapon system that takes the standard AR-15 magazines. This part is...Now: $499.95Was: $564.95