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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On Sale
HKP/HK 17 Round HK Mark 23/USP .45 ACP Complete Magazine
HKP HK Parts / Heckler & Koch
Now: $107.95Was: $119.95HKP/H&K 17 Round HK Mark 23/USP .45 ACP Complete Magazine Each mag comes fully assembled and ready for use. HK Parts takes an existing German HK 12 round mag coupled with the +5 mag extension and assembles them into a complete 17 round mag. What you...Now: $107.95Was: $119.95 -
On Sale
HK91, G3, PTR Magazine - 20 Round - Steel - Surplus
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus: HK German 20 Round Steel Magazine Used - Surplus Condition Used German manufacture all steel magazine. They range from Fair to VG shape. Each magazine is a bargain for what you get...Now: $17.95Was: $19.95 -
On Sale
GSG-5, GSG5PK Magazine Spring - .22LR - 22 Round
GSG German Sports Guns
Now: $4.46Was: $4.95GSG 22 Round GSG-5 .22LR Magazine Spring A must-have replacement spare part as the mags are used or stored. Perfect for those who have weak feeding Promag GSG mags, as these mag springs will help get the mags running as they should. Compatible...Now: $4.46Was: $4.95 -
On Sale
GSG HK MP5 .22LR Magazine Clamp
GSG German Sports Guns
Now: $11.21Was: $29.95HK MP5 .22LR - Magazine Clamp Each HK-style mag clamp is made of steel and is the highest quality aftermarket magazine clamp ever made. Holds two magazines together for tactical use and faster mag changes. Available exclusively at HK...Now: $11.21Was: $29.95 -
On Sale
HK VP9SK, P30SK Magazine Extension - Pinky Rest - +2
HKP HK Parts
Now: $19.96Was: $24.95HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest The mag extension also provides a pinky rest that is super well-balanced and rock-solid. Made in the USA from billeted aluminum. The +2 mag extension not only provides a place to rest the pinky, but...Now: $19.96Was: $24.95 -
On Sale
HK VP9SK, P30SK Magazine - 15 Round - 9mm
H&K Heckler & Koch
Now: $49.46Was: $54.95H&K HK 15 Round VP9SK/P30SK 9mm Magazine New factory HK 15 round magazine for VP9SK & P30SK 9mm. HK's magazine is made to their specifications and tolerances using high quality materials that provide perfect fit, durability and reliability.Now: $49.46Was: $54.95 -
On Sale
HK417, MR762 Magazine - 20 Round - RAL8000
H&K Heckler & Koch
Now: $60.26Was: $66.95H&K 20 Round HK MR762/417 7.62/.308 Magazine - RAL 8000 Genuine HK 20 round magazine. Factory fresh & hard to find. This is the highest magazine capacity available for the MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK...Now: $60.26Was: $66.95 -
On Sale
HK 30 Round HK MP7 4.6x30mm Magazine
H&K Heckler & Koch
Now: $61.16Was: $67.99MP7 30 Round Magazine New factory German HK 30-round magazine for the 4.6x30mm HK MP7A1 & MP7A2 weapon system. This is a popular spare magazine option as it is not too large and not too small of capacity.Now: $61.16Was: $67.99 -
On Sale
HK VP9, P30 Extension Kit - Magazine - 17 Round
HKP HK Parts
Now: $31.96Was: $39.95HK Parts Magazine Extension +5 Capacity for HK 17 Round Magazine - HK VP9, P30, P30L New & improved Gen 2 model! HK Parts Magazine Extension +5 kit adds 5 additional rounds to the HK VP9/P30 17 round magazine with the simple swap of the floor plate...Now: $31.96Was: $39.95 -
On Sale
HK23, HK21, HK11, MG3 Ammunition Belt Starter Tab
H&K Heckler & Koch
Now: $5.36Was: $5.95H&K HK21/MG3 Ammo Belt Starter Tab - 7.62x51/.308 Starter tabs for HK21 and MG3 belt-fed rifles. Compatible With: HK 23/21/11Now: $5.36Was: $5.95 -
On Sale
HK91, G3 20 Round Magazine - Steel - Excellent
H&K Heckler & Koch
Now: $33.26Was: $36.95HK German 20 Round Steel Magazine - Very Good To Excellent Shape Each magazine in this offering is the best of the used steel surplus magazines available, features the best finish, and has the lowest amount of wear possible. No longer in production,...Now: $33.26Was: $36.95 -
Out Of StockOn Sale
HK MP5, MP5K Magazine Clamp - Dual - 9mm - Bundle
H&K Heckler & Koch
Now: $269.95Was: $299.95HK German MP5 & SP5 Or MP5K & SP5K 9mm Mag Clamp Bundle Allows the user to clamp 2 X MP5 9mm 30 round magazines together for ease of use & safety by keeping 2 magazines usable & at your disposal. A Heckler & Koch German made genuine...Now: $269.95Was: $299.95