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 Mark 23, SOCOM Magazine Extension Kit - 24 Round
HKP HK Parts
$39.95Mark 23 .45 Cal - 24 Round Magazine Extension Kit The HK Parts manufactured Mark 23 mag extension allows the user to convert existing HK Mark 23 12 round magazine to an enhanced 24 round magazine...HKP-17556$39.95 -
On Sale
HK VP9SK Magazine Locking Plate - 12 Round
Now: $7.16Was: $7.95H&K HK VP9SK Locking Plate for 12 Round Magazine New HK German factory part. This is the locking plate for the bottom of the magazine spring on the newer VP9SK 12 Round magazine. Great spares toHKP-20898Now: $7.16Was: $7.95 -
HK21 Ammunition Belt with Starter Tab - DM1 - 50 Round
H&K Heckler & Koch
$39.95H&K HK21 DM1 50 Round Belt with Starter Tab - 7.62x51/.308 Custom 50 round belt for HK21 and MG3 belt-fed rifles. Compatible With: HK21HKP-22098$39.95 -
HK VP40, HK P30 Series Magazine - 22 Round - .40 S&W - Red
H&K Heckler & Koch
$99.95Heckler and Koch 22 Round .40 S&W Red Magazine for HK VP40, HK VP40 Tactical, HK P30, HK P30L, and HK P30S HK Parts +10 magazine extension coupled with a 13 round 40 caliber factory German magazine...HKP-20184$99.95 -
Out Of Stock
HK USP Magazine Housing - .45 ACP - 12 Round
H&K Heckler & Koch
$49.95H&K 12 Round HK USP .45 ACP Magazine Housing New HK German USP 45 12 Round Magazine Housing. Compatible With: HK USP .45 Full-Size pistolsHKP-16542$49.95
HK USP Magazine with Extension - 25 Round - 9mm
HKP HK Parts / Heckler & Koch
$119.95HKP 25 Round HK USP 9mm Magazine HK Parts +10 magazine extension coupled with a 15 round magazine. Each unit is then fully assembled as a 25 round magazine. Ideal for competitive shooters, concealed...HKP-21357-M$119.95Out Of Stock
HK91, G3, PTR Magazine - 10 Round - Alloy
H&K Heckler & Koch
$37.95H&K HK91, G3, MSG90 10 Round Magazine - Alloy This part counts as 1 US-made part for 922r compliance for HK rifles. Manufactured by HK and converted to ten round capacity in the United States using...HKP-22418$37.95On Sale
HK MP5, MP5K Magazine Body - .40 S&W, 10mm - 30 Round - Straight
HKP HK Parts
Now: $20.97Was: $29.95HKP MP5 40/10 30 Round Magazine Body New US Made MP5 40/10 30 Round Magazine Housing Body. Each magazine body comes black in color. Each body counts as one US made compliant part and is a great item...HKP-16508Now: $20.97Was: $29.95Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight
H&K Heckler & Koch
$237.95German H&K MP5 9mm 30 Round Straight Magazine Original German HK magazines ranging from VG to like new condition. Date coded with factory HK markings. These rare magazines were discontinued by HK...HKP-16263$237.95
HK MP5 Magazine Spring - .22LR - 10 Round
HKP HK Parts
$3.95HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine...HKP-20297$3.95
HK VP9SK Magazine - 14 Round – Red
HKP HK Parts / Heckler & Koch
$69.95HK VP9SK & P30SK 9mm – 14 Round Magazine New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +2 magazine extension installed &...HKP-20889$69.95On Sale
B&T 30 Round BT USW-A1 9mm Magazine
B&T Brugger & Thomet
Now: $49.50Was: $55.00B&T 30 Round BT USW-A1 9mm Magazine Swiss B&T manufactured 30 round magazine for the USW-A1 9mm. These B&T's USW replacement magazines feature the same reliability as the mags that ship with new B&T...HKP-18353Now: $49.50Was: $55.00