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/Mark 23 .45 ACP Magazine Locking Plate - HKP-01591
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    HK USP, Mark 23 Magazine Locking Plate - .45 ACP - 10 Round

    H&K Heckler & Koch

    $5.95
    10 Round Magazine Locking Plate Compatible With: HK USP 45 ACP 10 round magazine HK Mark 23 10 round magazine
    HKP-01591
    $5.95
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  • New - H&K 10 Round HK USPC 9mm Magazine Housing - HKP-02500 HK USPC Magazine Housing - 9mm - 10 Round
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    HK USPC Magazine Housing - 9mm - 10 Round

    H&K Heckler & Koch

    $19.95
    10 Round HK USPC 9mm Magazine Housing This is an all-steel construction for the HK USPC and P2000 9mm models. New HK German manufacture. Compatible With: HK USPC 9mm HK P2000 9mm HK P2000SK (will extend below the mag well)
    HKP-02500
    $19.95
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  • New - MM HK 23E (5.56/.223) Saw Feed Box Adapter - HKP-02072 HK23E Saw Feed Box Adapter
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    HK23E Saw Feed Box Adapter

    Michaels Machines

    $299.95
    Saw Box (M249) Adapter For HK23E Or MM23E Belt Feds  
    HKP-02072
    $299.95
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    $299.95
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  • 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

    $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
    $210.00
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    $210.00
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  • Out Of Stock
    New - H&K 10 Round USP/Mark 23 .45 ACP Magazine Housing - Black - HKP-16544 HK USP, Mark 23 Magazine Housing - .45 ACP - 10 Round

    HK USP, Mark 23 Magazine Housing - .45 ACP - 10 Round

    H&K Heckler & Koch

    $49.95
    H&K 10 Round USP/Mark 23 .45 ACP Magazine Housing Only  New HK German USP .45 & Mark 23 10 Round Magazine body only. All Steel HK construction.
    HKP-16544
    $49.95
    Out Of Stock
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    $49.95
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  • On Sale
    HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED
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    HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED

    H&K Heckler & Koch

    Now: $24.95
    Was: $37.95
    Heckler and Koch HK91, G3, PTR Magazine - 10 Round - Alloy - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This part counts as 1 US-made part for 922r...
    HKP-22418-B
    Now: $24.95
    Was: $37.95
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    Was: $37.95
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  • On Sale
    HK91, G3, PTR Magazine - 20 Round - Steel - USED HK91, G3, PTR Magazine - 20 Round - Steel - USED
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    HK91, G3, PTR Magazine - 20 Round - Steel - USED

    Rheinmetall

    Now: $24.95
    Was: $34.95
    Rheinmetall HK91, G3, PTR Magazine - 20 Round - Steel - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. G3 steel mags were made for the...
    HKP-22495-USED
    Now: $24.95
    Was: $34.95
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    Now: $24.95
    Was: $34.95
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  • 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

    $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
    $44.95
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    $44.95
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  • HK VP9, P30 Magazine Base Pad - Hard Duty HK VP9, P30 Magazine Base Pad - Hard Duty
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    HK VP9, P30 Magazine Base Pad - Hard Duty

    Grayguns

    $22.00
    The Grayguns HK VP9 and P30 Magazine Base Pads are designed for hard-duty use. The base pads are manufactured from 6061 Aluminum and professionally finished with MIL-A-8625 Type III anodized coating. Pads go through a glass-beading process...
    HKP-22344
    $22.00
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    $22.00
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  • HK VP9A1 K Magazine Replacement Kit H&K Heckler & Koch HKP-22300 HK VP9A1 K Magazine Replacement Kit H&K Heckler & Koch HKP-22300
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    HK VP9A1 K Magazine Replacement Kit

    H&K Heckler & Koch

    $23.95
    HK VP9A1K Magazine Replacement Kit Magazine replacement kit with all necessary components: spring, floorplate, and locking plate. Compatible With: HK VP9A1 K
    HKP-22300
    $23.95
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    $23.95
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  • New - HKP HK USP/T 9mm +7 Magazine Extension - HKP-21841-M HK USP Magazine Extension - 9mm - +7 Round
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    HK USP Magazine Extension - 9mm - +7 Round

    HKP HK Parts

    $69.95
    HK Parts Magazine Extension for your HK USP or HK USPT 9mm +7 Magazine Extension Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing required. Made in the US from aircraft-grade hard coat anodized aluminum...
    HKP-21841-M
    $69.95
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    $69.95
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  • Used - H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used - HKP-21781 HK P2000, USPC Magazine - .40 S&W - 12 Round - LEO Marked - Used
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    HK P2000, USPC Magazine - .40 S&W - 12 Round - LEO Marked - Used

    H&K Heckler & Koch

    $69.95
    H&K 12 Round HK P2000/USPC .40 S&W Magazine - LEO Marked - Used All steel with rubberized floorplate with finger rest. Compatible With: HK USP Compact .40 Cal HK P2000 .40 Cal Will also fit the P2000SK .40 (will not fit flush)
    HKP-21781
    $69.95
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    $69.95
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