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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HKP 24 Round HK USP/Tactical .45 ACP Magazine Extension
HKP HK Parts
Now: $24.95Was: $39.95HKP 24 Round HK USP/Tactical .45 ACP Magazine Extension The HK Parts manufactured HK USP 45 mag extension allows the user to convert existing USP .45 12 round magazine to an enhanced 24 round magazine capacity. Easy to install, each kit comes complete...HKP-17454Now: $24.95Was: $39.95 -
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 -
HK33, HK53, HK93 Drum Mag - 100 Round
Beta C-Mag
$689.95100 Round Beta C-Mag for HK 93, 33, 53 - 5.56/.223 systems 100 Round Beta C-Mag Drum System for .223 Remington and 5.56 NATO calibers. These drums are designed with clear back covers to enable you to see your round count. This is the top-of-the-line...HKP-00486-M$689.95 -
Out Of Stock
HK MP5 Magazine Follower - .40 S&W / 10mm
H&K Heckler & Koch
$19.95H&K MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines.HKP-01635$19.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight
H&K Heckler & Koch
$0.00German H&K MP5 9mm 30 Round Straight Magazine Each original German HK manufactured magazine ranges from VG to like new condition. This is the first production MP5 style of magazine. Each is date coded with factory HK markings. No longer made or...HKP-16263$0.00 -
HK CC9 +3 Magazine Extension Kit with Pinky Rest - 9mm
HKP HK Parts
$49.95HKP HK CC9 +3 Magazine Extension +3 magazine extension for the HK CC9. This low-profile base pad increases a standard 15-round CC9 magazine to 18 rounds. Machined in the U.S. from aircraft-grade hard coat anodized aluminum with steel hardware...HKP-22476-M$49.95 -
On Sale
HK VP9, VP40 Competition Magwell Extension - Orange - BLEMISHED
HKP HK Parts
Now: $69.95Was: $129.95HKP HK VP9, VP40 Competition Magwell Extension - Orange - BLEMISHED CONDITION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Our 2-piece, steel insert...HKP-21079-OR-BNow: $69.95Was: $129.95 -
HK CC9 Magazine Locking Plate - 10 Round Ext.
H&K Heckler & Koch
$5.95H&K CC9 Magazine Locking Plate - 10 Round Ext. Factory German HK magazine locking plate for use with the HK CC9 +10 round magazine extension. Secures the extended baseplate to the magazine body. Compatible With: HK CC9HKP-22154$5.95