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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HK21 Ammunition Belt with Starter Tab - 100 Round - DM1
H&K Heckler & Koch
$59.95H&K HK21 DM1 100 Round Belt with Starter Tab - 7.62x51/.308 Custom 100 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just isn't enough! Compatible With: HK21 <HKP-21890$59.95 -
On Sale
Glock 19 Magazine Parts Replacement Kit
HKP HK Parts
Now: $5.96Was: $15.95Glock 19 Magazine Parts Replacement Kit Includes: 9 round coil spring Locking plate Floor plate.HKP-20854Now: $5.96Was: $15.95 -
HK VP9SK, P30SK, P2000SK Magazine Locking Plate - 9mm
H&K Heckler & Koch
$8.95HK P2000SK, VP9SK & P30SK 9mm 10 Round Magazine Locking Plate For Magazine Works with the P2000SK, VP9SK and P30SK sub compact (SK) magazine models only. Compatible With: HK P30 SKHKP-16650$8.95 -
On Sale
HK VP9SK, P30SK Magazine - 9mm - 14 Round - Floorplate with Pinky Rest
HKP HK Parts / Heckler & Koch
Now: $62.96Was: $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-20888Now: $62.96Was: $69.95 -
HK VP9, P30 Magazine Extension Kit - +4
HKP HK Parts
$34.95HKP +4 HK VP9/P30 Magazine Extension Kit HK Parts magazine extension +4 kit adds 4 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate and the included high...HKP-17589$34.95 -
HK416, MR556, AR-15 Magazine - PMAG M3 - 40 Round
Magpul
$24.95Magpul PMAG 40 Round AR-15 5.56/.223 Magazine Latest M3 generation, NON-windowed PMAG (Polymer Magazine). Featuring a pop-off storage/dust cover that alleviates pressure from the magazine feed lips,...HKP-16699$24.95 -
On Sale
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack
KCI
Now: $314.96Was: $349.95KCI 30 Round MP5 9mm Magazine - 10 Pack Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19)HKP-22058Now: $314.96Was: $349.95 -
HK USP Full Size Floorplate - 9mm and .40 S&W
H&K Heckler & Koch
$23.95Heckler and Koch HK USP Full Size 9mm/.40 S&W Floor Plate Compatible With: HK USP 9mm 15-Round Magazine HK USP 40 S&W 13-Round MagazinHKP-01438$23.95 -
Out Of Stock
HK USPC, P2000 Magazine - 9mm - 28 Round
HKP HK Parts
$74.95H&K 28 Round HK USPC/P2000 9mm Magazine New HK German USPC, P2000 Magazine body combined and pre-installed along with the HK Parts 28 round mag extension kit fully installed. Each offering is a...HKP-17203$74.95 -
On Sale
HK91, G3 Magazine Block - 20 to 10 Round Conversion
Raddlock
Now: $4.46Was: $9.95HK 91, G3, & PTR 10 Round Magazine Plug The Raddlock magazine plug is designed to be installed in a 20-round magazine to limit the capacity to 10 rounds for restricted capacity states. Compatible...HKP-02443Now: $4.46Was: $9.95 -
On Sale
HK416, MR556 Dual Magazine Clamp
HKP HK Parts
$31.84 - $49.95HKP HK MR556/416 Dual Magazine Clamp Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic...HKP-21553-M$31.84 - $49.95 -
HK CC9 Magazine - 9mm - 10 Round - Flat Floorplate
H&K Heckler & Koch
$49.95H&K HK CC9 10 Round Magazine - Flat Floor PlateHKP-21570$49.95