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 - HKP 24 Round HK Mark 23/SOCOM .45 ACP Magazine Extension - Black - hkp-17556 HK Mark 23, SOCOM Magazine Extension Kit - 24 Round
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    HK Mark 23, SOCOM Magazine Extension Kit - 24 Round

    HKP HK Parts

    Now: $24.95
    Was: $39.95
    Mark 23 .45 Cal - 24 Round Magazine Extension Kit The HK Parts manufactured Mark 23 mag extension allows the user to convert existing HK Mark 23 12 round magazine to an enhanced 24 round magazine capacity. Easy to install, each kit comes complete with...
    HKP-17556
    Now: $24.95
    Was: $39.95
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  • New - B&T 30 Round APC10/SPC10 Magazine - 10mm - HKP-21720 New - B&T 30 Round APC10/SPC10 Magazine - 10mm - HKP-21720
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    B&T APC10, SPC10 Magazine - 30 Round

    B&T Brugger & Thomet

    $100.00
    B&T 30 Round APC10/SPC10 Magazine - 10mm Compatible with any G pattern 10mm B&T firearm.  Compatible With: B&T APC10 B&T SPC10
    HKP-21720
    $100.00
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  • New - B&T 19 Round BT USW-A1 9mm Magazine - Black - HKP-18354 B&T USW-A1 Magazine - 9mm - 19 Round
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    B&T USW-A1 Magazine - 9mm - 19 Round

    B&T Brugger & Thomet

    $55.00
    B&T 19 Round BT USW-A1 9mm Magazine New Swiss B&T manufactured 19 Round magazine Compatible With: B&T USW-A1 9mm Specifications: Factory new condition 19-round capacity 9mm
    HKP-18354
    $55.00
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  • New - 27 Round Magazine Complete - Red Follower - 9mm - HK PARTS - HK VP9, HK P30 - HKP-19843
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    HK VP9, P30 Magazine Complete - 9mm - 27 Round - Red Follower

    HKP HK Parts / Heckler & Koch

    $99.95
    HKP HK VP9/P30 27 Round Magazine Complete - Red Follower - 9mm HK Parts +10 alloy magazine extension coupled with an HK 17 round factory German magazine adds 10 additional rounds total for a fully assembled 27 round HK VP9/P30 magazine. Ideal for...
    HKP-19843
    $99.95
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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...
    HKP-16250-M
    $79.95
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  • New - HKP 10 Round MP5 .22LR Magazine Spring - HKP-20297
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    HK MP5 Magazine Spring - .22LR - 10 Round

    HKP HK Parts

    $3.95
    HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...
    HKP-20297
    $3.95
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  • Used - H&K 10 Round HK 91, G3, PTR .308 Magazine - Used - HKP-19887 HK91, G3 Magazine - .308 - 10 Round - Used
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    HK91, G3 Magazine - .308 - 10 Round - Used

    H&K Heckler & Koch

    $64.95
    H&K 10 Round HK 91, G3, PTR .308 Magazine - Used Each HK magazine is made by using a factory German HK 20 round mag that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20 round magazines are to long and get...
    HKP-19887
    $64.95
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  • New - HKP 15 Round HK45 E2 Magazine - HKP-21803-M HK45 E2 Magazine with Extension - 15 Round
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    HK45 E2 Magazine with Extension - 15 Round

    HKP HK Parts

    $113.95
    HKP HK Parts 15 Round E2 Magazine for HK45   HK45 and HK45 Tactical +5 magazine extension. Paired with a new HK German 10 round HK45 magazine for a total capacity of 15 rounds. Ideal for competition shooters that would like a higher magazine...
    HKP-21803-M
    $113.95
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  • New - Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch - HKP-20100 HK MP5,  GSG Magazine Pouch - Single - .22 LR
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    HK MP5, GSG Magazine Pouch - Single - .22 LR

    Comp-Tac

    $44.95
    Comp-Tac HK MP5 .22/GSG .22LR Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your MP5 .22 & GSG .22 The PLM mount allows for being securely...
    HKP-20100
    $44.95
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  • New - H&K 10 Round HK VP40/P30/P30L Magazine Floor Plate - Black - HKP-02570 HK VP9, P30, P30L Magazine Floorplate - .40 S&W - 10 Round
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    HK VP9, P30, P30L Magazine Floorplate - .40 S&W - 10 Round

    H&K Heckler & Koch

    $9.95
    10 Round HK VP40, P30, & P30L Magazine Floor Plate Compatible With: HK P30 .40 HK P30L .40 HK VP40
    HKP-02570
    $9.95
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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  
    HKP-02499
    $24.95
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  • New - H&K VP9SK/P30SK Magazine Extension Locking Floorplate - HKP-21993 HK VP9SK, P30SK Magazine Floorplate Extension - Locking
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    HK VP9SK, P30SK Magazine Floorplate Extension - Locking

    H&K Heckler & Koch

    $23.00
    H&K VP9SK/P30SK Magazine Extension Locking Floorplate Secures the extension to the magazine body on P30SK and VP9SK magazine extensions. Compatible With: HK VP9SK/P30SK
    HKP-21993
    $23.00
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    $23.00
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