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 MP7A1, MP7A2 Magazine Loader
H&K Heckler & Koch
$84.95Heckler and Koch HK MP7A1, MP7A2 Magazine Loader New factory HK German magazine loader for the MP7. Correct OEM tool for loading MP7 magazines. Compatible With: MP7A1 MP7A2HKP-18848$84.95 -
HK G36 Magazine Spring - 30 Round - Heckler and Koch
H&K Heckler & Koch
$9.95HK G36 30 Round Magazine Follower Spring New German HK G36 30 round magazine spring. A high wear and replacement item. Compatible With: G36 G36K G36C Sl8-G36 conversions that use the G36 magHKP-16363$9.95 -
HK MP5 Magazine Catch - Turkish Contract - Seconds
Other
$19.95Turkish Contract Magazine Catch for HK MP5 9mm - Seconds Turkish contract raw magazine catch for the MP5. This part is ideal for replacement, restoration, or custom fitment work on compatible builds. Specifications: Seconds Fitting may be...HKP-99485$19.95 -
HK MP5 Magazine Catch - 9mm - Turkish Contract - Raw
Other
$19.95Turkish Contract Raw Magazine Catch for HK MP5 9mm Turkish contract raw magazine catch for the MP5. This part is ideal for replacement, restoration, or custom fitment work on compatible builds. Specifications: Raw finish Fitting may be...HKP-99484$19.95 -
HK VP9, VP40 Competition Magwell Extension - Purple - BLEMISHED
HKP HK Parts
$129.95HKP HK VP9, VP40 Competition Magwell Extension - Purple - BLEMISHED Our 2-piece, steel insert competition VP9/VP40 extended flared magwell is CNC made from heat treated 4140 billet nitrided steel. The upper portion of the magwell is machined from...HKP-21079-PU-B$129.95 -
Sig P320C +3 Magazine Extension
Tactical Precision MFG
$44.95TPM Sig P320C +3 Magazine Extension - Barrett Brown This extension is made from machined 6061 Aluminum. This magazine extension will increase capacity, increase reload speed and mag drops, and overall functionality of your pistol. Easy to install and...HKP-21277$44.95 -
HK USP, USP Compact Complete Mag Lockout Device
H&K Heckler & Koch
$19.95H&K HK USP/USPC Complete Mag Lockout Device Easily installs and replaces the existing lanyard to the newer style lock out upgrade for the magazine lockout. Used to comply with certain state's laws and for added safety in some conditions and...HKP-16397$19.95 -
HK G36 Magazine Floorplate - 10 and 30 Round
H&K Heckler & Koch
$11.95H&K 10/30 Round HK G36 Magazine Floor Plate New factory German G36 30 round and 10 round magazine floor plate.HKP-16381$11.95 -
Out Of Stock
HK UMP Caliber Conversion to 9mm Kit - 16.5" Barrel - 30 Round Magazine
Michaels Machines
$889.95HK UMP 9mm Conversion Kit - US-Made UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in, with the total swap...HKP-02284$889.95 -
HK21 Feed Mechanism Latch Lever
Michaels Machines
$69.95HKP HK21 Feed Mechanism Latch Lever - 7.62x51 / .308 Replacement feed mechanism latch lever for HK21 belt-fed platforms chambered in 7.62x51 and .308. Designed to interface with the feed assembly and support proper operation of the HK21 system...HKP-00235$69.95 -
Out Of Stock
HK91, G3 20 Round Steel Magazine - Latest HK Production
H&K Heckler & Koch
$0.00HK 91, G3, PTR .308 20 Round All Steel Magazine - German HK HK .308 factory steel 20 round all steel magazine. Each magazine is the latest HK German manufactured. Compatible With: HK 91 HK G3 PTR-91, PTR PDW Vector 51, G3K, HK51, HK51K Century C308...HKP-00542$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