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
HK UMP (9mm) 30 Round Magazine
H&K Heckler & Koch
Now: $56.66Was: $62.95HK German UMP 9mm 30 Round Factory Magazine The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP/USC buildsNow: $56.66Was: $62.95 -
On Sale
HK USP 9mm, .40 S&W High Capacity Magazine Locking Plate
H&K Heckler & Koch
Now: $6.25Was: $6.95HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate Compatible With: HK USP 9mm HK USP .40Now: $6.25Was: $6.95 -
Out Of StockOn Sale
HK MP5, MP5K Magazine - 15 Round
Mora Arms
Now: $26.95Was: $29.95Mora Arms HK MP5, MP5K Magazine - 15 Round 15-round curved steel magazine for MP5 platforms. Compatible With: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK 94 Custom HK 9mm builds & clonesNow: $26.95Was: $29.95 -
On Sale
HK MP5, MP5K Magazine - 9mm - 30 Round - Bundle of 10
Zenith
Now: $314.95Was: $349.9530 Round Magazine - Zenith - MP5, MP5K - Bundle of 10 Features: Durable electro-plated black finish for exceptional corrosion resistance All steel construction Round count indicator holes on the rear of the magazine Stainless steel...Now: $314.95Was: $349.95 -
On Sale
HK91, G3 Magazine Clamp
H&K Heckler & Koch
Now: $134.95Was: $149.95New HK German Magazine Clamp for all HK .308 Magazines New German HK G3 & HK 91 Magazine Clamp fits all HK G3 & HK 91 & PTR 91 steel or aluminum magazines. Clamps HK magazines together for tactical environments. Please Note: This part is no...Now: $134.95Was: $149.95 -
On Sale
HK91, G3 Magazine Block - 20 to 10 Round Conversion
Raddlock
Now: $5.95Was: $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 with both aluminum and steel magazines. We...Now: $5.95Was: $9.95 -
On Sale
HK MP5 40/10 Magazine Clamp
H&K Heckler & Koch
Now: $116.95Was: $129.95New HK German MP5 40/10/.357 Magazine Clamp Fits all MP5 40/10 Magazines. Holds two magazines together for immediate access.Now: $116.95Was: $129.95 -
On Sale
B&T 9mm 30 Round Magazine - Translucent w/Bumper
B&T Brugger & Thomet
Now: $44.96Was: $49.95B&T 9mm 30 Round Magazine - Translucent w/Bumper B&T factory 30 round 9mm magazine made of high strength semi-transparent polymer. Compatible With: B&T MP9/TP9 B&T APC9 B&T SPC9 B&T GHM9 B&T KH9 ***NOT compatible with...Now: $44.96Was: $49.95 -
On Sale
ETS 12 Round HK VP9SK 9mm Magazine - Translucent
Now: $9.71Was: $16.9930 Round Magazine - Elite Tactical Systems - 9mm - HK VP9SK Features: Extended 12-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Due to the wide variety of extensions for Glock, our mag base is designed to be...Now: $9.71Was: $16.99 -
On Sale
HK 10 Round HK VP9SK/P30SK 9mm Magazine
H&K Heckler & Koch
Now: $44.96Was: $49.95H&K 10 Round HK VP9SK/P30SK 9mm Magazine New German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK. Compatible With: VP9SK P30SKNow: $44.96Was: $49.95 -
On Sale
HK VP9 Magazine - 25 Round
HKP HK Parts / Heckler & Koch
Now: $75.56Was: $83.95H&K / HKP 25 Round HK VP9 Magazine – Black Anodized Drop-in magazine ready to go! HK Parts takes an existing 15 round magazine and a +10 magazine extension to assemble them into a working 25 round magazine. Compatible With: HK VP9, VP9...Now: $75.56Was: $83.95 -
On Sale
HK USP 9mm, .40 S&W Magazine Loader
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K HK USP 9mm / .40 S&W Magazine Loader - Black Factory new Heckler & Koch. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .357 SIG Please Note: This does not fit USP .45 magazines.Now: $17.95Was: $19.95