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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HKP 15 Round HK 45C & USPC .45 ACP Magazine
HKP HK Parts
$119.95HKP 15 Round HK 45C & USPC .45 ACP Magazine HK Parts +7 magazine extension boosts the HK45C 8-round mag to a full 15 rounds. Fully assembled and factory fresh, it's perfect for competition, concealed carry, or range use. Compatible With: HK...$119.95 -
Out Of Stock
HKP 24 Round HK USP45, USP45 Tactical .45 ACP Complete Magazine
HKP HK Parts
$89.9524 Round Magazine Complete - USP45, USP45 Tactical The HK Parts manufactured USP 45 mag extension has been installed on an HK USP 45 12 round magazine to increase the capacity to a 24 round complete magazine. A great accessory and upgrade! Each...$89.95 -
HK416, MR556, HK417, MR762 Brass Catcher
B&T Brugger & Thomet
$289.95B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard. If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...$289.95 -
HK USC Magazine Spring
H&K Heckler & Koch
$8.95H&K USC (.45 ACP) 10 Round Factory Magazine Spring Compatible With: HK USC 10 Round magazines$8.95 -
Out Of Stock
Case of 55 Turkish Contract 30 Round MP5 Magazine
$880.0055 Count Case of Turkish Contract 30 Round MP5 Magazine These Turkish military contract 30 round MP5 magazines are leftover "seconds" that HKP recently imported directly from Turkey. The magazines were manufactured by a Turkish contractor similar...$880.00 -
Out Of Stock
HK UMP .40 - 30 Round Magazine - Used
H&K Heckler & Koch
$49.9530 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40$49.95 -
Out Of Stock
HK417, MR762, G28 Magazine Release - Ambidextrous
KDG Kinetic Development Group
$169.95Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles. The mag release is a lever instead of a button; where the release has been...$169.95 -
HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223
E&L MFG
$79.95E&L Mfg. HK91/G3 Brass Catcher - .308/762, 223/5.56 Rifles Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and are made from strong, lightweight, black textured plastic. Each holds a...$79.95 -
B&T APC9/TP9/SPC9 Magazine Slim Bumper Upgrade Kit
B&T Brugger & Thomet
$20.00B&T Magazine Slim Bumper Upgrade Kit This magazine upgrade kit enhances the durability of your 9mm magazines, providing extra protection for the base. The kit features a two-piece base plate that reinforces the bottom of the magazine, covered with a...$20.00 -
B&T TP9, MP9 Brass Catcher - Side Rail - Picatinny
B&T Brugger & Thomet
$55.95B&T TP9/MP9 Picatinny Brass Catcher Side Rail New Swiss Made. Fits the brass catcher for the TP9, MP9 firearms. Please note that the hardware is not included as they are riveted on at the B&T factory in most cases before shipping however, the...$55.95 -
HKP/HK 20 Round HK VP9SK/P30SK 9mm Magazine Complete - Red
$89.9510 Round Magazine with Red +10 Extension - 9mm - HK VP9SK & P30SK Ideal for competitive shooters that would like a 20 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing 10 round...$89.95 -
HK23, HK21, HK11 Ammunition Belt with Starter Tab - 50 Round
H&K Heckler & Koch
$39.95H&K HK21 50 Round Belt with Starter Tab - 7.62x51/.308 Custom 50 round belt for HK21 and MG3 belt-fed rifles. Compatible With: HK 23/21/11$39.95