Magazines / Extensions / Brass Catchers

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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    Mora Arms HK MP5/MP5K - 15 Round Magazine Mora Arms HKP-22352 Mora Arms HK MP5/MP5K - 15 Round Magazine Mora Arms HKP-22352

    HK MP5, SP5, MP5K, SP5K Magazine - 15 Round - 9mm

    Mora Arms

    $29.95
    Mora Arms HK MP5, MP5K Magazine - 15 Round 15-round curved steel magazine for MP5 platforms. Compatible With:  MP5, SP5 MP5K, SP5K SP89, HK94 Custom HK 9mm builds & clones
    HKP-22352
    $29.95
    Out Of Stock
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  • New - HKP HK45 +7 Magazine Extension Kit - Black - HKP-20808 HK45 +7 Magazine Extension Kit
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    HK45 +7 Magazine Extension Kit

    HKP HK Parts

    $74.95
    HKP HK45 +7 Magazine Extension Kit HK PARTS magazine extension +7 kit adds 7 additional rounds to the HK45 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader when loading...
    HKP-20808
    $74.95
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  • New - H&K Magazine - .40 S&W 9 Round for HK P2000SK - HKP-00307 HK P2000SK Magazine - .40 S&W - 9 Round
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    HK P2000SK Magazine - .40 S&W - 9 Round

    H&K Heckler & Koch

    $49.00
    German HK P2000 SK 9 Round Magazine - 40 S&W  Spare magazines for HK P2000 SK .40 caliber pistols. This magazine holds nine rounds of .40 S&W ammunition.
    HKP-00307
    $49.00
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    New - HKP HK VP9, VP40 Competition Magwell Extension - HKP-21079-M HK VP9, VP40 Competition Magwell Extension
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    HK VP9, VP40 Competition Magwell Extension

    HKP HK Parts

    Now: $69.95
    Was: $129.95
    HKP HK VP9, VP40 Competition Magwell Extension Our 2-piece, steel insert competition VP9/VP40 extended flared magwell is CNC made from heat treated 4140 billet nitrided steel. The upper portion of the magwell is machined from aircraft-grade aluminum and...
    HKP-21079-M
    Now: $69.95
    Was: $129.95
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    Was: $129.95
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  • HK91, G3, PTR Magazine - 20 Round - Alloy - Like New HK91, G3, PTR Magazine - 20 Round - Alloy - Like New
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    HK91, G3, PTR Magazine - 20 Round - Alloy - Like New

    Rheinmetall

    $19.95
    Rheinmetall HK G3, HK91, and PTR91 20 Round Magazine - Like New Rheinmetall G3 alloy mags were made for the German Army and are no longer in production. Once they are gone, they are gone for good. *Although these magazines have been carefully selected,...
    HKP-22495
    $19.95
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  • Out Of Stock
    New - H&K UMP (.45 ACP) Magazine Follower - HKP-16342 HK UMP Magazine Follower - .45 ACP

    HK UMP Magazine Follower - .45 ACP

    H&K Heckler & Koch

    $14.95
    HK UMP .45 Magazine Follower New HK German factory UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines- both US or German
    HKP-16342
    $14.95
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  • Out Of Stock
    New - H&K 12 Round HK P2000/USPC .40 S&W Magazine Housing - HKP-16538 HK USPC, P2000 Magazine Housing - .40 S&W - 12 Round

    HK USPC, P2000 Magazine Housing - .40 S&W - 12 Round

    H&K Heckler & Koch

    $29.95
    H&K 12 Round HK P2000/USPC .40 S&W Magazine Housing
    HKP-16538
    $29.95
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  • New - Set of 5 .45 ACP Dummy Rounds - HKP-17384
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    Dummy Rounds - .45 ACP - Set of 5

    Strike Industries

    $8.95
    Set of 5 .45 ACP Dummy Rounds Strike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They also let you dry fire without risking damage to the...
    HKP-17384
    $8.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Magazine Release Spring - HKP-01899 HK UMP, USC Magazine Release Spring
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    HK UMP, USC Magazine Release Spring

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Magazine Release Spring HK German factory mag release spring for all USC and UMP mag releases.  Compatible With:  USC lowers UMP lowers
    HKP-01899
    $9.95
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  • New - HKP HK MP5 Enhanced Recoil Spring - HKP-22209
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    HK MP5 Recoil Spring - Enhanced

    HKP HK Parts

    $16.95
    HKP 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...
    HKP-22209
    $16.95
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  • Out Of Stock
    New - H&K HK 30 Round 416, HK MR556 Magazine Maritime- TiN - HKP-21468 HK416, MR556 Magazine - 30 Round - Maritime- TiN

    HK416, MR556 Magazine - 30 Round - Maritime- TiN

    H&K Heckler & Koch

    $149.95
    HK 416 & MR556 30 Round Maritime Magazine - TiN Coated Get your hands on some TiN coated factory Heckler & Koch magazines.  Each magazine starts out as a fresh 30 round mag before being professionally dsiassembled, TiN coated, and...
    HKP-21468
    $149.95
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  • New - H&K 10 Round HK VP/P30 9mm Magazine Floor Plate - Black - HKP-02569 HK VP9, P30 Magazine Floorplate - 9mm - 10 Round
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    HK VP9, P30 Magazine Floorplate - 9mm - 10 Round

    H&K Heckler & Koch

    $17.95
    HK VP9 & P30 9mm Magazine Floor Plate For 10-Round Mag New HK German production. 10-round floorplate with tabs for the 10-round HK P30/VP9 magazine. A must-have spare replacement part as the tabs are a common wear and breakage part on the...
    HKP-02569
    $17.95
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