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 - H&K 10 Round HK USP .40 Magazine Housing - Black - HKP-16543 HK USP Magazine Housing - .40 S&W - 10 Round
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    HK USP Magazine Housing - .40 S&W - 10 Round

    H&K Heckler & Koch

    $24.95
    HK German Full Size USP .40 10 Round Magazine Housing New HK German USP .40 Mag Body - 10 Round USP .40 Full Size
    $24.95
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    Qty in Cart: 0
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    $24.95
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  • Out Of Stock
    New - H&K 10 Round HK USPC .357 SIG Flat Floorplate Magazine - Black - HKP-02363 HK USPC Magazine - 10 Round - .357 SIG - Flat Floorplate

    HK USPC Magazine - 10 Round - .357 SIG - Flat Floorplate

    H&K Heckler & Koch

    $49.00
    HK USP Compact 357 10 Round Magazine With Flat Floorplate 
    $49.00
    Out Of Stock
    Qty in Cart: 0
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    $49.00
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - HKP-00220 HK91, G3, PTR Magazine - 5 Round - Steel
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    HK91, G3, PTR Magazine - 5 Round - Steel

    H&K Heckler & Koch

    $174.95
    New HK German 5 Round Factory G3 and HK91 .308 Steel Magazine Factory German steel magazine.  This is an original German 5 round magazine from HK, not a modified assembly/cut-down magazine.  These mags are long out of production and only a...
    $174.95
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    $174.95
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  • Out Of Stock
    New - HKP 38 Round HK MP5 Magazine - HKP-17394 HK MP5 Magazine - 38 Round

    HK MP5 Magazine - 38 Round

    HKP HK Parts

    $79.95
    MP5, MP5K 9mm Curved Magazine - 38 Round - Red Follower New USA manufactured MP5, MP5K - 38 round magazine. These units will come with a red follower installed for a quick and easy visual identification of an empty magazine. As an added bonus each mag...
    $79.95
    Out Of Stock
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    $79.95
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  • HK91, G3 Magazine Release Set - USED HK91, G3 Magazine Release Set - USED
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    HK91, G3 Magazine Release Set - USED

    H&K Heckler & Koch

    $24.95
    Heckler and Koch Magazine Release Set (Left to Right) for HK91 and G3 HK-manufactured, used magazine release set for HK .308 pattern rifles. Complete left-to-right mag catch assembly with both push-button and paddle controls. Expect finish wear and...
    $24.95
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    $24.95
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  • New - H&K VP9SK/P30SK 13 Round Extended Floor Plate - HKP-21990 HK VPSK, P30SK Magazine Floorplate - 9mm - 13, 15 Round - Extended
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    HK VPSK, P30SK Magazine Floorplate - 9mm - 13, 15 Round - Extended

    H&K Heckler & Koch

    $53.95
    H&K VP9SK/P30SK 13 & 15 Round Extended Floor Plate Factory HK floorplate extension for VP9SK 13 and 15 round magazines. Features a durable black polymer body with a textured finish for improved grip. Compatible With: HK VP9SK & P30SK
    $53.95
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    $53.95
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  • On Sale
    New - TPM Sig P320C +3 Magazine Extension - HKP-21277 Sig P320C +3 Magazine Extension
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    Sig P320C +3 Magazine Extension

    Tactical Precision MFG

    Now: $17.21
    Was: $44.95
    TPM Sig P320C +3 Magazine Extension - Barrett Brown This extension is made from machined 6061 Aluminum. This magazine extension will increase capacity, increase reload speed and mag drops, and overall functionality of your pistol. Easy to install and...
    Now: $17.21
    Was: $44.95
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    Now: $17.21
    Was: $44.95
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  • On Sale
    New - Beta C-Mag 100 Round HK MR556/416 5.56/.223 Drum System - HKP-02418
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    HK416, MR556 Drum System - Beta C-Mag - 100 Round

    Beta C-Mag

    Now: $499.95
    Was: $564.95
    100 Round Beta C-Mag For The HK416 & MR556 Firearms These drums are designed with clear back covers to enable you to see your round count. This works in any weapon system that takes the standard AR-15 magazines. This part is...
    Now: $499.95
    Was: $564.95
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    Now: $499.95
    Was: $564.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine Housing - HKP-16369 HK UMP (.40 S&W) 30 Round Magazine Housing
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    HK UMP (.40 S&W) 30 Round Magazine Housing

    H&K Heckler & Koch

    $69.95
    New HK UMP .40 30 Round Magazine Housing New HK German UMP .40 30 round factory magazine body. A great spare part in the event that your mag body is damaged or cracked.
    $69.95
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    $69.95
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  • Out Of Stock
    New - H&K UMP (.40 S&W) Magazine Locking Plate - HKP-16340 HK UMP Magazine Locking Plate - .40 S&W

    HK UMP Magazine Locking Plate - .40 S&W

    H&K Heckler & Koch

    $9.95
    H&K UMP (.40 S&W) Magazine Locking Plate German HK.
    $9.95
    Out Of Stock
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    $9.95
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  • On Sale
    Used - H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW - HKP-17917-B HK UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW
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    HK UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW

    H&K Heckler & Koch

    Now: $172.34
    Was: $229.95
    H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW Like-new PD trade in HK German UMP .45 cal 25 Round Factory Magazines. These magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP...
    Now: $172.34
    Was: $229.95
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    Now: $172.34
    Was: $229.95
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  • On Sale
    New - B&T Dual Magazine Pouch - 338LM - Velcro Mount - HKP-21883 Dual Magazine Pouch - 338LM - Velcro Mount
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    Dual Magazine Pouch - 338LM - Velcro Mount

    B&T Brugger & Thomet

    Now: $9.71
    Was: $24.95
    B&T Dual Magazine Pouch - 338LM Designed for the B&T APR338 but will fit other, similarly sized magazines. Made from heavy duty Cordura fabric in Poland by NFM Group.
    Now: $9.71
    Was: $24.95
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    Now: $9.71
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