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 HK 417/MR762 Magazine Catch Retainer Ring - HKP-16521 HK417, MR762 Magazine Catch Retainer Ring
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    HK417, MR762 Magazine Catch Retainer Ring

    H&K Heckler & Koch

    $10.95
    H&K HK 417/MR762 Magazine Catch Retainer Ring   Compatible With: HK 417 HK MR762
    HKP-16521
    $10.95
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    $10.95
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  • New - H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K - HKP-21441 HK MP5, MP5K/SP5K 10 Round Magazine - RAL8000
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    HK MP5, MP5K/SP5K 10 Round Magazine - RAL8000

    H&K Heckler & Koch

    $97.95
    H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K Heckler & Koch factory magazine. We now take this factory magazine and cerakote it with the ultra desirable RAL 8000 color for those looking to customize their build. 10 round magazine making it ideal...
    HKP-21441
    $97.95
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  • New - HK UMP .45 ACP Magazine Follower - HKP-20177 HK UMP Magazine Follower - .45 ACP - US
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    HK UMP Magazine Follower - .45 ACP - US

    USA

    $9.95
    HK UMP .45 Magazine Follower - USA New UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines both US or German
    HKP-20177
    $9.95
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  • New - HKP HK USP 9mm +10 Magazine Extension - HKP-21382-M HK USP 9mm +10 Magazine Extension
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    HK USP 9mm +10 Magazine Extension

    HKP HK Parts

    $69.95
    Magazine Extension - +10 - HK USP 9mm  Easy to install. Simply add the mag extension to your existing mag body and follower. No gunsmithing needed. Made 100% in the USA out of aircraft-grade, hard-coat anodized aluminum with steel hardware. Ultra...
    HKP-21382-M
    $69.95
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  • New - H&K / HKP – 23 Round HK P2000 Magazine - HKP-20801 HK P2000 Magazine - 23 Round
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    HK P2000 Magazine - 23 Round

    HKP HK Parts / Heckler & Koch

    $99.95
    H&K / HKP – 23 Round HK P2000 Magazine HK P2000 +10 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 23 round HK P2000 magazine. Ideal for competitive shooters and for...
    HKP-20801
    $99.95
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  • New - HKP 27 Round HK VP9, HK P30 9mm Magazine - Cerakote Red - HKP-20612 HK VP9, P30 Magazine - 9mm - 27 Round - Cerakote Red
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    HK VP9, P30 Magazine - 9mm - 27 Round - Cerakote Red

    HKP HK Parts

    $104.95
    HKP 27 Round 9mm Complete Cerakote Red Magazine for HK VP9, HK P30 US-made 27-round magazine for HK VP9 and P30 series pistols. Built by combining a factory German 17-round steel magazine with the HKPARTS +10 alloy extension for a total capacity of 27...
    HKP-20612
    $104.95
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  • HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm
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    HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm

    MKE

    $23.95
    MKE HK MP5 9mm 30 Round Magazine Replacement Parts Kit Replacement magazine parts kit for HK MP5 9mm firearms. Made in Turkey and designed to match factory MP5 specifications. Includes: 30 round magazine spring MP5 magazine follower MP5 magazine floor...
    HKP-99342
    $23.95
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  • New - Zenith 30 Round HK MP5 Supersonic Labeled Magazine - HKP-20830 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...
    HKP-20830
    $43.95
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  • New - HKP HK UMP (.40 S&W) 15 Round Magazine - HKP-17584 HK UMP Magazine - .40 S&W - 15 Round
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    HK UMP Magazine - .40 S&W - 15 Round

    HKP HK Parts

    $49.95
    UMP, SMG .40 Cal 15 Round Magazine - US Each ultra compact 15 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliberP conversions. Each magazine features, steel feed lips, enhanced polymer construction and all...
    HKP-17584
    $49.95
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  • New - H&K HK21 50 Round Belt with Starter Tab - HKP-22098 HK21 Ammunition Belt with Starter Tab - DM6 - 50 Round
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    HK21 Ammunition Belt with Starter Tab - DM6 - 50 Round

    H&K Heckler & Koch

    $39.95
    H&K HK21 DM6 50 Round Belt with Starter Tab - 7.62x51/.308 Custom 50 round belt for HK21 and MG3 belt-fed rifles. Compatible With: HK21
    HKP-22098
    $39.95
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  • On Sale
    Refurbished - HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED - HKP-21922-B HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED
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    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED

    H&K Heckler & Koch

    Now: $44.95
    Was: $84.95
    HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - BLEMISHED MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...
    HKP-21922-B
    Now: $44.95
    Was: $84.95
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  • On Sale
    New - HKP HK MP5 40/10 Dual Magazine Clamp - HKP-21614-M HK MP5 Dual Magazine Clamp - 10mm, .40 S&W
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    HK MP5 Dual Magazine Clamp - 10mm, .40 S&W

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP5 40/10 Dual Magazine Clamp The HK Parts MP5 40/10 dual magazine clamp is expertly crafted to fit all 40/10 MP5 polymer magazines. Constructed from durable aluminum and finished with a type 3 hard anodize for enhanced protection and a premium...
    HKP-21614-M
    Now: $39.96
    Was: $49.95
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