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 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 -
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 -
On Sale
HK MP5 Magazine Locking Plate - 9mm - Red
HKP HK Parts
Now: $5.57Was: $7.95HKP HK MP5, MP5K 9mm Magazine Locking Plate - HK Red Teflon infused glass filled polymer red colored locking plate that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that...HKP-18303Now: $5.57Was: $7.95 -
HK91, G3 20 Round Magazine - Steel - Refinished
H&K Heckler & Koch
$57.95HK German 20 Round Steel Magazine - Refinished HK G3 factory steel 20-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a...HKP-21587$57.95 -
On Sale
HK VP9, P30, P2000, P2000SK, USPC Magazine Pouch - Single - 9mm and .40 S&W - PLM
Comp-Tac
Now: $35.96Was: $39.95Single Magazine Pouch - PLM - VP9, P2000, USPC The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single...HKP-19866Now: $35.96Was: $39.95 -
HK45C, USPC Magazine Extension - 12 Round - Red
HKP HK Parts
$84.95HKP 12 Round HK 45C, HK USPC .45 ACP Magazine - Red HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit is then fully assembled as a 12 round HK45C...HKP-18673$84.95 -
On Sale
Sig P365 +3 Magazine Extension
Tactical Precision MFG
Now: $14.03Was: $44.95TPM Sig P365 +3 Magazine Extension This extension is made from machined 6061 Aluminum. This magazine extension will increase capacity, increase reload speed and mag drops, and overall functionality...HKP-21278-MNow: $14.03Was: $44.95