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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B&T APC Brass Catcher - Quick Detach - 9mm, .40 S&W, .45 ACP
B&T Brugger & Thomet
$165.00B&T APC9, APC10, APC45 Quick Detach Brass Catcher Swiss made brass catcher for B&T APC9, APC10 and APC45 firearms. Quickly and easily attaches and detaches to the right-side picatinny rail section. Made to collect the fired brass...HKP-18106$165.00 -
Glock Drum Magazine - 100 Round - 9mm
Beta C-Mag
$759.95Beta C-Mag 100 Round Glock 9mm Drum Magazine Specifications: Caliber: 9mm Capacity: 100 Rounds Material: Polymer Manufacturer: The Beta Company Compatible With: Glock 17 Glock 19 Glock 26 Clock 18 double stack Glock 9mm modelsHKP-02622$759.95 -
HK MP5, 94 Magazine Spring - 15 Round
H&K Heckler & Koch
$8.95HK German MP5, 94, SP89, MP5K 15 Round Magazine Spring Compatible with all 15 Round MP5 and 94 style curved magazines. This is a must-have repair and replacement part, great to have for spares.HKP-00090$8.95 -
Out Of Stock
HK 21 Ammunition Belt Box Adapter
Michaels Machines
$274.95Belt Box Adapter A new custom-made adapter - allows you to use HK German factory HK21E belt boxes on the HK21 older style or original style belt feds. It is a drop-in design that will enable easy and quick use of the superior HK21E belt boxes...HKP-01844$274.95 -
On Sale
Sig P320 +3 Magazine Extension
Tactical Precision MFG
Now: $19.95Was: $44.95TPM Sig P320 +3 Magazine Extension This extension is made from machined 6061 aluminum. This magazine extension will increase the capacity, reload speed, mag drops, and overall functionality of your pistol. Available in various colors to customize to your...HKP-21133-MNow: $19.95Was: $44.95 -
HK G3 .22 20 Round Conversion Magazine - USED
$199.95HK G3 .22 20 Round Conversion Magazine - USED HK .22 caliber conversion kit 20-round magazine for The G3/91. Ideal for those that have the caliber conversion kit and wants to stack up on spare magazines. Condition is used to like new in the gray paint...HKP-20750$199.95 -
Out Of Stock
HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel
H&K Heckler & Koch
$349.95HK 91, G3, PTR Shooter Pack - 36 Quantity 20 Round Magazines All STEEL MAGS - RARE!!! For all those shooters or collectors out there this is the deal for you. For a limited time or while supplies last we have a case of 3 dozen shooter grade all...HKP-17390$349.95 -
HK USP, HK45 Compact Magazine, Complete - 18 Round
HKP HK Parts / Heckler & Koch
$89.95Heckler and Koch, HKP 18 Round Magazine for HK45 Compact, HK USP45 Compact Complete 18-round magazine assembled using a factory Heckler and Koch magazine body combined with an HKP magazine extension. This configuration increases capacity while...HKP-22520$89.95 -
HK CC9 Magazine Floorplate - 9mm - Flat
H&K Heckler & Koch
$5.95H&K CC9 Flat Magazine Floor Plate OEM floor plate for HK CC9 magazines. Direct replacement for standard or extended floor plates. Compatible With: HK CC9 ***Magazine floor plate only. Pictured complete magazine is for reference only.HKP-22153$5.95 -
Out Of Stock
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 -
Out Of Stock
HK23E Ammunition Belt Box - 5.56 / .223
H&K Heckler & Koch
$0.00HK23E & MM23E Belt Box - German HK Brand new German HK23E, MM23E made feed box. The German units have long since been out of production so getting these new old stock German HK feed boxes is a windfall and a rare opportunity. Compatible With: HK 23E...HKP-18012$0.00 -
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 CC9HKP-22145$5.95