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 HK 91/G3 (7.62x51/.308) 20 Round Steel Magazine - Latest HK Production - HKP-00542 HK91, G3 20 Round Steel Magazine - Latest HK Production

    HK91, G3 20 Round Steel Magazine - Latest HK Production

    H&K Heckler & Koch

    $0.00
    HK 91, G3, PTR .308 20 Round All Steel Magazine - German HK HK .308 factory steel 20 round all steel magazine. Each magazine is the latest HK German manufactured. Compatible With: HK 91 HK G3 PTR-91, PTR PDW Vector 51, G3K, HK51, HK51K Century C308...
    HKP-00542
    $0.00
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    New - H&K MP5 40/10 Magazine Follower - HKP-01635 HK MP5 Magazine Follower - 10mm / .40 S&W

    HK MP5 Magazine Follower - 10mm / .40 S&W

    H&K Heckler & Koch

    $19.95
    H&K MP5 40/10 Magazine Follower   A perfect replacement part for all HK MP5 40/10 magazines.
    HKP-01635
    $19.95
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  • Out Of Stock
    Used - H&K 30 Round MP5 9mm Magazine-Straight - HKP-16263 HK MP5 Straight Magazine - 9mm - 30 Round

    HK MP5 Straight Magazine - 9mm - 30 Round

    H&K Heckler & Koch

    $0.00
    German H&K MP5 9mm 30 Round Straight Magazine Each original German HK manufactured magazine ranges from VG to like new condition. This is the first production MP5 style of magazine. Each is date coded with factory HK markings. No longer made or...
    HKP-16263
    $0.00
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  • HK USP9 Magazine - 10 Round - Standard Floorplate H&K Heckler & Koch HKP-22415 HK USP9 Magazine - 10 Round - Standard Floorplate H&K Heckler & Koch HKP-22415
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    HK USP Magazine - 9mm - 10 Round - Standard Floorplate

    H&K Heckler & Koch

    $54.95
    HK USP9 Magazine - 10 Round - Standard Floorplate Factory 10-round magazine for the HK USP9, featuring a standard floorplate. Compatible With: HK USP 9mm
    HKP-22415
    $54.95
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  • On Sale
    New - HKP HK VP9, VP40 Competition Magwell Extension - Orange - BLEMISHED - HKP-21079-OR-B HK VP9, VP40 Competition Magwell Extension - Orange - BLEMISHED
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    HK VP9, VP40 Competition Magwell Extension - Orange - BLEMISHED

    HKP HK Parts

    Now: $69.95
    Was: $129.95
    HKP HK VP9, VP40 Competition Magwell Extension - Orange - BLEMISHED CONDITION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Our 2-piece, steel insert...
    HKP-21079-OR-B
    Now: $69.95
    Was: $129.95
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    Was: $129.95
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  • New - KCI 30 Round MP5 9mm Magazine - 10 Pack - Cerakoted - HKP-22066 KCI 30 Round MP5 9mm Magazine - 10 Pack - Cerakoted
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    KCI 30 Round MP5 9mm Magazine - 10 Pack - Cerakoted

    KCI

    $349.95
    KCI 30 Round MP5 9mm Magazine - 10 Pack Get reliable performance and a splash of style with the KCI 30 Round MP5 9mm Magazine 10-Pack. Cerakoted for durability, this pack includes two magazines in each of five distinct colors—perfect for quick...
    HKP-22066
    $349.95
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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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  • New - H&K UMP (9mm) Magazine Spring - 30 Round - HKP-16563
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    HK UMP Magazine Spring - 9mm - 30 Round

    H&K Heckler & Koch

    $14.95
    H&K UMP (9mm) Magazine Spring - 30 Round Perfect for spares and to have on hand as these are a consumable part.
    HKP-16563
    $14.95
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  • New - H&K USC (.45 ACP) Magazine Follower - HKP-16346 HK USC Magazine Follower - .45 ACP
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    HK USC Magazine Follower - .45 ACP

    H&K Heckler & Koch

    $12.95
    H&K USC (.45 ACP) Magazine Follower New HK German USC 10 Round magazine follower.
    HKP-16346
    $12.95
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  • New - BETA C-Mag 100 Round HK 93/53/33 (5.56/.223) Beta Mag System - HKP-00486-M HK33, HK53, HK93 Drum Mag - 100 Round
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    HK33, HK53, HK93 Drum Mag - 100 Round

    Beta C-Mag

    $689.95
    100 Round Beta C-Mag for HK 93, 33, 53 - 5.56/.223 systems 100 Round Beta C-Mag Drum System for .223 Remington and 5.56 NATO calibers. These drums are designed with clear back covers to enable you to see your round count. This is the top-of-the-line...
    HKP-00486-M
    $689.95
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  • HK MP5, MP5K Magazine - LEO Marked - 30 Round HK MP5, MP5K Magazine - LEO Marked - 30 Round
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    HK MP5, MP5K Magazine - LEO Marked - 30 Round

    Other

    $44.95
    Turkish Contract 30 Round LEO Marked Magazine for HK MP5, MP5K Replica LEO laser markings that replicate those found on factory magazines. This is a Turkish contract 30-round magazine for MP5 and MP5K pattern firearms. Manufactured to military...
    HKP-22487-M
    $44.95
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  • HK CC9 Magazine +5 Extension Kit - 9mm HK CC9 Magazine +5 Extension Kit - 9mm
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    HK CC9 Magazine +5 Extension Kit - 9mm

    HKP HK Parts

    $59.95
    HKP HK CC9 +5 Magazine Extension US-made +5 magazine extension for the HK CC9. This low-profile base pad increases a standard 15-round CC9 magazine to 20 rounds of 9mm.  Machined from aircraft-grade hard coat anodized aluminum with steel hardware...
    HKP-22467-M
    $59.95
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