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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Out Of Stock
HK MP5 Magazine Floorplate - 10mm / .40 S&W
H&K Heckler & Koch
$14.95New HK German MP5/40 Magazine Floor Plate$14.95 -
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 CC9$5.95 -
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...$27.95 -
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 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
HK MP5 Magazine Locking Plate - 9mm - Black - BLEMISHED
HKP HK Parts
Now: $4.46Was: $7.95HKP HK MP5 9mm Magazine Locking Plate - Black - BLEMISHED ONLY 3 UNITS AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Teflon infused...Now: $4.46Was: $7.95 -
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