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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  • On Sale
    New - HKP 24 Round HK USP/Tactical .45 ACP Magazine Extension - HKP-17454 HK USP45, USP45T Magazine Extension Kit - 24 Round
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    HK USP45, USP45T Magazine Extension Kit - 24 Round

    HKP HK Parts

    Now: $24.95
    Was: $39.95
    HKP 24 Round HK USP/Tactical .45 ACP Magazine Extension The HK Parts manufactured HK USP 45 mag extension allows the user to convert existing USP .45 12 round magazine to an enhanced 24 round magazine capacity. Easy to install, each kit comes complete...
    HKP-17454
    Now: $24.95
    Was: $39.95
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    Was: $39.95
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  • On Sale
    New - B&T MP5SD QD Brass Catcher - HKP-18099 HK MP5SD Brass Catcher - Quick Detach
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    HK MP5SD Brass Catcher - Quick Detach

    B&T Brugger & Thomet

    Now: $188.95
    Was: $210.00
    B&T MP5SD Brass Catcher For Use With B&T Handguard     The B&T brass catcher for the MP5SD locks into perfect position when mounted to the matched B&T's HK MP5SD Tri-Rail Handguard. Features a quick disconnect mechanism for easy...
    HKP-18099
    Now: $188.95
    Was: $210.00
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    Was: $210.00
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  • On Sale
    HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED HKP HK Parts HKP-16250-BL-B HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED HKP HK Parts HKP-16250-BL-B
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    HK MP5, HK91, G3, PTR Magazine - 5 Round - Black - BLEMISHED

    HKP HK Parts

    Now: $44.97
    Was: $79.95
    HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED PITTING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. 5 Round German Steel 308 Magazine With US Made...
    HKP-16250-BL-B
    Now: $44.97
    Was: $79.95
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    Was: $79.95
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  • On Sale
    New - B&T 20 Round 9mm Magazine - Translucent - HKP-17303 B&T TP9, MP9, APC Magazine - 9mm - 20 Round - Translucent
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    B&T TP9, MP9, APC Magazine - 9mm - 20 Round - Translucent

    B&T Brugger & Thomet

    Now: $58.95
    Was: $65.00
    B&T 20 Round 9mm Magazine - Translucent Swiss B&T manufactured 20-round magazine for the 9mm TP9, MP9, and APC. Compatible With: B&T MP9, TP9 B&T APC9 B&T SPC9 B&T GHM9 B&T KH9 ***NOT...
    HKP-17303
    Now: $58.95
    Was: $65.00
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    Was: $65.00
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  • On Sale
    New - HKP 15 Round HK VP9SK, Hk P30SK 9mm Magazine with Finger Rest - Red - HKP-20567 New - HKP 15 Round HK VP9SK, Hk P30SK 9mm Magazine with Finger Rest - Red - HKP-20567
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    HK VP9SK, P30SK Magazine with Finger Rest - 15 Round - 9mm - Red

    HKP HK Parts / Heckler & Koch

    Now: $62.95
    Was: $69.95
    HK VP9SK and HK P30SK 9mm - 15 Round Magazine with HK Red Finger Rest New German VP9SK and P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +5 magazine extension installed and ready to use. This...
    HKP-20567
    Now: $62.95
    Was: $69.95
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    Now: $62.95
    Was: $69.95
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  • New - H&K 9 Round P2000SK .40 S&W Magazine Housing - HKP-18142 HK P2000SK Magazine Housing - .40 S&W - 9 Round
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    HK P2000SK Magazine Housing - .40 S&W - 9 Round

    H&K Heckler & Koch

    $24.95
    Heckler and Koch 9 Round .40 S&W Magazine Housing for HK P2000SK
    HKP-18142
    $24.95
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    $24.95
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  • On Sale
    New - Raddlock Key - HK Series - HKP-02447
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    Raddlock Key - HK Series

    Raddlock

    Now: $4.95
    Was: $9.95
    HK Series Raddlock Key And Lanyard Raddlock kits convert your firearm to a non-detachable magazine configuration for states with removable magazine restrictions. This is a replacement key for firearms equipped with a Raddlock device. Compatible With the...
    HKP-02447
    Now: $4.95
    Was: $9.95
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    Was: $9.95
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  • Out Of Stock
    New - H&K HK 417/MR762 Double Magazine Pouch - HKP-21800 HK417, MR762 Double Magazine Pouch

    HK417, MR762 Double Magazine Pouch

    H&K Heckler & Koch

    $129.95
    H&K HK 417 Double Magazine Pouch Factory HK double magazine pouch for the HK 417 and MR762 platforms chambered in .308/7.62x51. Compatible With: HK 417 MR762
    HKP-21800
    $129.95
    Out Of Stock
    Qty in Cart: 0
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    $129.95
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  • On Sale
    New - B&T 10 Round 9mm Magazine - HKP-21740 B&T 9mm Magazine - 10 Round
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    B&T 9mm Magazine - 10 Round

    B&T Brugger & Thomet

    Now: $58.95
    Was: $65.00
    B&T 10 Round 9mm Magazine   Compatible With: B&T MP9/TP9 B&T APC9 B&T SPC9 B&T GHM9 B&T KH9 ***NOT compatible with models equipped with Glock or Sig magazine compatible lowers
    HKP-21740
    Now: $58.95
    Was: $65.00
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    Was: $65.00
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  • Out Of Stock
    New - KCI HK MP5 Locking Plate - HKP-21377 HK MP5 Magazine Locking Plate - 30 Round

    HK MP5 Magazine Locking Plate - 30 Round

    KCI

    $3.49
    KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5
    HKP-21377
    $3.49
    Out Of Stock
    Qty in Cart: 0
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    $3.49
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  • On Sale
    New - Comp-Tac HK 45 Single Magazine Pouch - PLM - HKP-19863 HK45 Magazine Pouch - Single - PLM
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    HK45 Magazine Pouch - Single - PLM

    Comp-Tac

    Now: $35.95
    Was: $41.95
    HK 45 Single Magazine Pouch - PLM The Single Magazine Pouch - PLM is an all Kydex® magazine pouch which gives a smooth friction free surface perfect for a quick reload. The Single Magazine Pouch- PLM attaches to the belt with a Push-Button...
    HKP-19863
    Now: $35.95
    Was: $41.95
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    Was: $41.95
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  • On Sale
    HK91, G3 Magazine - 15 Round - Alloy HK91, G3 Magazine - 15 Round - Alloy
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    HK91, G3 Magazine - 15 Round - Alloy

    H&K Heckler & Koch

    Now: $40.95
    Was: $44.95
    Heckler and Koch HK91, G3, MSG90 15-Round Alloy Magazine Manufactured by Heckler & Koch and converted to 15-round capacity in the United States using a U.S.-made floorplate. Counts as one U.S.-made part for 922r compliance. Compatible With: HK91,...
    HKP-22427
    Now: $40.95
    Was: $44.95
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