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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On Sale
HK USP, USP Compact Complete Mag Lockout Device
H&K Heckler & Koch
Now: $17.95Was: $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-16397Now: $17.95Was: $19.95 -
On Sale
HK G36 Magazine Floorplate - 10 and 30 Round
H&K Heckler & Koch
Now: $10.95Was: $11.95H&K 10/30 Round HK G36 Magazine Floor Plate New factory German G36 30 round and 10 round magazine floor plate.HKP-16381Now: $10.95Was: $11.95 -
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 -
HK91, G3, PTR Magazine - 5 Round - Steel
H&K Heckler & Koch
$174.95New HK German 5 Round Factory G3 and HK91 .308 Steel Magazine Factory German steel magazine. This is an original German 5 round magazine from HK, not a modified assembly/cut-down magazine. These mags are long out of production and only a...HKP-00220$174.95 -
Out Of Stock
HK MP5 Magazine Follower - .40 S&W, 10mm
H&K Heckler & Koch
$19.95H&K Heckler and Koch Magazine Follower HK MP5 40,10 A perfect replacement part for all HK MP5 40,10 magazines.HKP-01635$19.95 -
On Sale
HK CC9 Magazine Spring - 12 Round
H&K Heckler & Koch
Now: $8.95Was: $9.95Heckler and Koch 12-Round Magazine Spring for HK CC9 Genuine 12-round HK CC9 steel magazine spring. Compatible With: HK CC9HKP-22509Now: $8.95Was: $9.95 -
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 -
On Sale
HK UMP Magazine Spring - 9mm - 30 Round
H&K Heckler & Koch
Now: $13.95Was: $14.95H&K UMP (9mm) Magazine Spring - 30 Round Perfect for spares and to have on hand as these are a consumable part.HKP-16563Now: $13.95Was: $14.95 -
On Sale
HK USC Magazine Follower - .45 ACP
H&K Heckler & Koch
Now: $11.95Was: $12.95H&K USC (.45 ACP) Magazine Follower New HK German USC 10 Round magazine follower.HKP-16346Now: $11.95Was: $12.95 -
On Sale
Raddlock 91/G3 (7.62x51/.308) Magazine Sled
Raddlock
Now: $11.95Was: $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-02448Now: $11.95Was: $12.95 -
HK USP Magazine Housing - .40 S&W - 10 Round
H&K Heckler & Koch
$24.95HK German Full Size USP .40 10 Round Magazine Housing New HK German USP .40 Mag Body - 10 Round USP .40 Full SizeHKP-16543$24.95