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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  • New - F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine - Black - HKP-18577 F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine
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    F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine

    F5 MFG

    $168.95
    F5 MFG 50 Round BT APC9 & GHM9 9mm Drum Magazine  The only one of its kind, Brugger & Thomet APC9 & GHM9 50 round drum magazine. Truly an incredible combination of quality and performance, be the first to own this exclusive accessory...
    $168.95
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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...
    $16.95
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  • New - H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN Coated - HKP-21792 HK MP5, MP5K Magazine - 30 Round - LEO Marked - Enhanced
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    HK MP5, MP5K Magazine - 30 Round - LEO Marked - Enhanced

    H&K Heckler & Koch

    $159.95
    H&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,...
    $159.95
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  • New - HKP HK21 Drum Hanger & H&K 100rd Drum - HKP-21633 HK21 Drum Hanger and100rd Drum
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    HK21 Drum Hanger and100rd Drum

    HKP HK Parts

    $435.95
    HKP HK21 Drum Hanger with H&K 100 Round Drum Complete your HK21 or FMP21 build with our HKP drum hanger and H&K original 100-round drum.  Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and...
    $435.95
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  • On Sale
    New - IMI 25 Round UZI Magazine - New Old Stock - HKP-21232 UZI Magazine - 25 Round - New Old Stock
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    UZI Magazine - 25 Round - New Old Stock

    IMI

    Now: $29.95
    Was: $48.95
    Uzi 25 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to help protect it against rust. These are the last...
    Now: $29.95
    Was: $48.95
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    Was: $48.95
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  • New - H&K 10 Round HK USPC/P2000 .40 S&W Magazine Body - Black - HKP-02499 HK USPC, P2000 Magazine Body - .40 S&W - 10 Round
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    HK USPC, P2000 Magazine Body - .40 S&W - 10 Round

    H&K Heckler & Koch

    $24.95
    H&K 10 Round HK USPC/P2000 .40 S&W Magazine Body  
    $24.95
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  • New - Magpul 5.56 NATO Mag Assist - 3 Pack - HKP-17320
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    HK 5.56 Magazine Assist - 3 Pack

    Magpul

    $9.95
    ORIGINAL MAGPUL® 5.56 NATO, 3 PACK When installed on the base of a 5.56x45 rifle magazine, the original Magpul provides improved speed and control during high stress, tactical magazine changes. Durable synthetic rubber loop with recessed rough...
    $9.95
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  • New - HKP HK 91/G3/MSG90 5 Round Magazine - Steel - (7.62x51/.308) - HKP-16250-M HK91, G3, PTR Magazine - 5 Round
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    HK91, G3, PTR Magazine - 5 Round

    HKP HK Parts

    $79.95
    HKP HK 91/G3/MSG90 5 Round Magazine - Steel - (7.62x51/.308) 5 Round German Steel 308 Magazine With US Made Floorplate (Counts as 1 US made Part for 922R compliance) For HK Rifles.This magazine is made by Heckler and Koch & converted to five rounds...
    $79.95
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  • HK VP9A1 K Magazine - 10 Round HK VP9A1 K Magazine - 10 Round
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    HK VP9A1 K Magazine - 10 Round

    H&K Heckler & Koch

    $59.95
    HK 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...
    $59.95
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  • On Sale
    Refurbished - HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED - HKP-21922-B HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED
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    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED

    H&K Heckler & Koch

    Now: $33.71
    Was: $84.95
    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...
    Now: $33.71
    Was: $84.95
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  • New - B&T 30 Round Magazine Spring - 9mm - HKP-21758
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    MP9, TP9, APC9, GHM9, SPC9 Magazine Spring - 9mm - 30 Round

    B&T Brugger & Thomet

    $6.95
    B&T 30 Round 9mm Magazine Spring  Factory B&T replacement magazine spring for 30 round 9mm magazines. Compatible With: MP9/TP9 APC9 GHM9 SPC9
    $6.95
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  • New - HKP HK33/53 Dual Magazine Clamp - HKP-21608-M HK33, HK53, HK93 Dual Magazine Clamp
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    HK33, HK53, HK93 Dual Magazine Clamp

    HKP HK Parts

    $49.95
    HKP HK33, HK53, HK93 Dual Magazine Clamp Securely hold two HK33 magazines together for fast mag swaps. Precision-machined from billet aluminum and anodized in the popular red or classic black. Our dual mag clamp is a must for those quick mag changes...
    $49.95
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