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 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 basis as this is a consumable part and is prone to...HKP-19323$8.95 -
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. Compatible With: HK USP Compact 9mm HK P2000...HKP-01460-M$59.95 -
HK CC9 Complete Magazine - 15 Round - 9mm
HKP HK Parts
$79.95HKP HK Parts - HK CC9 Complete Magazine - 15 Round - 9mm This fully assembled 15-round magazine for the CC9 combines a factory German 12-round magazine with the HK Parts +3 magazine extension. Compatible With: HK CC9HKP-22038-M$79.95 -
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 magazines. Compatible With: HK UMP .45 HK USC to UMP . 45...HKP-00605$145.95 -
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 the mag to have a low profile. Compatible With:...HKP-17872$89.95 -
HK CC9 Magazine - 9mm - 10 Round - Extended Floorplate - Red Follower
H&K Heckler & Koch
$38.95H&K HK CC9 10 Round Magazine - Extended Floor PlateHKP-21571$38.95 -
HK416, MR556 Magazine - 30 Round - Maritime
H&K Heckler & Koch
$94.95Heckler and Koch HK416, MR556 30 Round Maritime Magazine - Multiple Color Options Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon, the Heckler & Koch 30-round Steel Magazine can be used in any...HKP-21169-M$94.95 -
HK45C, USPC Magazine Extension - +4
HKP HK Parts
$49.95 - $54.95HKP 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 assembled into a 12 round HK45C magazine. Ideal for...HKP-18654-M$49.95 - $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: USP .45 Full Size - 12 round USP .45 Tactical - 12 round USP .45...HKP-01198$18.95 -
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 dependability. The numbered witness holes on the...HKP-21650-M$54.95 -
HK VP9, P30 Magazine Extension - +3
HKP HK Parts
$34.95HKP HK Parts +3 Magazine Extension for HK VP9 and HK P30 HK Parts magazine extension adds 3 additional rounds to the magazine with the simple swap of the floorplate for the extension. This is an easy 2 min swap, no gunsmithing needed. Made in the...HKP-17649-M$34.95 -
HK45, HK45C, USPC Magazine Floorplate - .45 ACP
H&K Heckler & Koch
$23.95H&K HK USPC/45/45C Magazine Floor Plate Ideal for use for concealed carry or a lower profile on the magazine footprint. New HK German manufacture. Compatible With: HK USP Compact .45 HK USP Compact Tactical .45 HK45C HK45C TacticalHKP-01123$23.95