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 30 Round HK VP9/P30 Complete 9mm Magazine Magazine - Translucent
HKP HK Parts
Now: $54.36Was: $67.95HKP 30 Round HK VP9/P30 Complete 9mm Magazine Magazine - Translucent New HK German VP9/P30 Magazine body combo; pre-installed along with the HK Parts 30 round mag translucent polycarbonate extension kit fully installed. Each offering is complete, fully...Now: $54.36Was: $67.95 -
On Sale
HK UMP Magazine - .40 S&W - 15 Round
HKP HK Parts
Now: $39.96Was: $49.95UMP, SMG .40 Cal 15 Round Magazine - US Each ultra compact 15 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliberP conversions. Each magazine features, steel feed lips, enhanced polymer construction and all...Now: $39.96Was: $49.95 -
On Sale
KCI 30 Round HK MP5 9mm Magazine - TiN Coated
Now: $89.95Was: $99.95KCI 30 Round HK MP5 9mm Magazine - TiN Coated Elevate your gear with our TiN coated KCI magazines. Each magazine begins as a regular 9mm, 30 round mag that is expertly disassembled, coated with durable TiN, and meticulously reassembled for optimal...Now: $89.95Was: $99.95 -
On Sale
HK VP9SK, P30SK +5 Magazine Extension Kit
HKP HK Parts
Now: $27.96Was: $34.95Magazine Extension Kit +5 - HK VP9SK, HK P30SK HK Parts magazine extension kit adds 5 additional rounds to the HK VP9SK/P30SK magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine...Now: $27.96Was: $34.95 -
On Sale
HK UMP 30 Round .40 Magazine - LEO Marked
H&K Heckler & Koch
Now: $58.46Was: $64.9530 Round Magazine - LEO Marked - Used - UMP .40 S/W Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Used in good condition. The perfect option for those that like to collect LEO...Now: $58.46Was: $64.95 -
On Sale
HK VP9, P30 Magazine - 9mm - 27 Round - Cerakote Red
HKP HK Parts
Now: $83.96Was: $104.95HKP 27 Round 9mm Complete Cerakote Red Magazine for HK VP9, HK P30 US-made 27-round magazine for HK VP9 and P30 series pistols. Built by combining a factory German 17-round steel magazine with the HKPARTS +10 alloy extension for a total capacity of 27...Now: $83.96Was: $104.95 -
On Sale
HKP 15 Round HK VP9SK, HK P30SK 9mm Magazine with Finger Rest
HKP HK Parts
Now: $63.96Was: $79.95HK VP9SK & P30SK 9mm - 15 Round Magazine with HK Black Finger Rest New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +5 magazine extension installed & ready to use. This...Now: $63.96Was: $79.95 -
On Sale
HK 18 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red
Now: $80.95Was: $89.95H&K 18 Round HK VP40, HK VP40 Tactical, HK P30, HK P30L, HK P30S .40 S&W Magazine - Red HK Parts +5 magazine extension coupled with a 13 round .40 cal factory German magazine body adds 5 additional rounds. For a total fully assembled hand fitted...Now: $80.95Was: $89.95 -
On Sale
HK VP9A1 K Magazine - 10 Round
H&K Heckler & Koch
Now: $53.96Was: $59.95HK VP9A1 K Magazine - 10 Round Factory 10-round magazine for the VP9A1 K. **HK incorrectly marked packaging with "VP9SK", but the magazine is correct. Features: 10-round capacity for restricted-capacity compliance Durable steel body with polymer...Now: $53.96Was: $59.95 -
On Sale
HK MP5 Recoil Spring - Enhanced
HKP HK Parts
Now: $13.56Was: $16.95HKP HK MP5 Enhanced Recoil Spring The HK Parts enhanced recoil spring offers a 5% increase in strength over the factory MP5 spring. Ideal for high round count firearms, suppressed setups, or simply to improve longevity. Won't fit F style recoil rods or...Now: $13.56Was: $16.95 -
On Sale
HK MP5, MP5K Magazine - 30 Round - LEO Marked - Enhanced
H&K Heckler & Koch
Now: $143.95Was: $159.95H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN/CRN Coated Elevate your collection with our TiN coated factory Heckler & Koch magazines. Each magazine begins as a new German 30-round 9mm mag that is expertly disassembled, TiN coated,...Now: $143.95Was: $159.95 -
On Sale
HK MP5 Magazine - Supersonic Labeled - 30 Round
Zenith
Now: $39.56Was: $43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...Now: $39.56Was: $43.95