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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Out Of Stock
HK417, MR762 Magazine - 10 Round
H&K Heckler & Koch
$59.00Heckler and Koch HK MR762, HK417 10 Round Magazine - German HK Genuine HK German 10 round MR762 magazine. Compatible With: MR 762 HK 417HKP-02590$59.00 -
HK VP9 Magazine Spring - 17 Round
H&K Heckler & Koch
$8.95Magazine Spring for 17 Round Magazine - HK VP9, VP9L, VP9 OR This magazine spring fits the VP9 17 round magazines. A must-have replacement item as magazine springs should be replaced on a regular...HKP-19323$8.95 -
HK CC9 Magazine - 9mm - 10 Round - Extended Floorplate - Red Follower
H&K Heckler & Koch
MSRP: $49.99$38.95H&K HK CC9 10 Round Magazine - Extended Floor Plate HK USA HKCC9 10 round magazine- 9mm 10 round capacity Extended floorplate for ease of use a ergonomicsHKP-21571MSRP: $49.99$38.95 -
HK MP5, HK94, SP89, SP5K Magazine - 9mm - 10 Round
H&K Heckler & Koch
$89.95H&K MP5/MP5K/SP5K 10 Round Magazine: Heckler & Koch factory fresh magazine from this current year's production. Mags hold 10 rounds only so this is ideal for restricted states or for those that want...HKP-17872$89.95 -
On Sale
HK91, G3 Magazine - 20 Round - 7.62x51/.308
Thermold
Now: $15.96Was: $19.95Thermold HK91, G3 Magazine - 20 Round - 7.62x51/.308 - US Made This US-made magazine is made of spaceHKP-02612Now: $15.96Was: $19.95 -
HK USPC, P2000 Magazine with Pinky Rest - 9mm - 10 Round
H&K Heckler & Koch
$59.95USP Compact & P2000 9mm Magazine – Complete (10-Round with Extended Floor Plate) Brand new HK German manufactured. Meets the requirements of areas with high capacity 10-round magazine restrictions...HKP-01460-M$59.95 -
HK VP9K Magazine - 15 Round
H&K Heckler & Koch
$54.95H&K 15 Round HK VP9A1 K Magazine Made from premium stainless steel and equipped with a red, anti-tilt polymer follower for easy identification, these 15-round magazines offer exceptional strength and...HKP-21650-M$54.95 -
HK USP Magazine Floorplate - .45 ACP - 12 Round - Standard
H&K Heckler & Koch
$18.95H&K 12 Round HK USP .45 ACP Standard Magazine Floor Plate New factory fresh production. Perfect for concealed carry or for those that prefer a lower profile footprint. Compatible With:HKP-01198$18.95 -
Out Of Stock
HK UMP Magazine - 25 Round - .45 ACP
H&K Heckler & Koch
$145.95New HK Heckler and Koch Non-LE, Mil Marked .45 ACP 25 Round Magazine for HK UMP The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP...HKP-00605$145.95 -
On Sale
HK45C, USPC Magazine Extension - +4
HKP HK Parts
$35.03 - $49.95HKP HK Parts +4 Round .45 ACP Magazine Extension for the Compact HK45 and HK USP HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit can then be fully...HKP-18654-M$35.03 - $49.95 -
HK91, G3, PTR Magazine - 20 Round - Aluminum - USED - FMP
FMP HK CONTRACT
$11.95FMP Portuguese HK91, G3, PTR 20 Round Aluminum Magazine - Used Portuguese FMP 20-round aluminum magazine for HK91, G3, and PTR pattern rifles. A solid factory-style magazine option for range use,...HKP-22713$11.95 -
HK USP Magazine - 20 Round - 9mm
HKP HK Parts
$89.95HKP 20 Round HK USP/Tactical 9mm Magazine HK USP 9mm Tactical +5 magazine extension paired with a new full-size HK USP 9mm & USP 9mm Tactical 15-round magazine. This part is ideal for competitive...HKP-21094-M$89.95