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 / 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 - H&K MR762/417 Magazine - 5 Round - HKP-22013 HK417, MR762 Magazine - 5 Round
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    HK417, MR762 Magazine - 5 Round

    H&K Heckler & Koch

    $78.95
    H&K 5 Round MR762/417 Magazine 5-round magazine for the MR762 and HK417.  Compatible With: MR762 HK417
    HKP-22013
    $78.95
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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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  • Out Of Stock
    New - F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine - Black - HKP-18577 B&T APC9, GHM9 Drum Magazine - 50 Round - 9mm

    B&T APC9, GHM9 Drum Magazine - 50 Round - 9mm

    F5 MFG

    $168.95
    F5 MFG 50 Round 9mm Drum Magazine for B&T APC9 and B&T GHM9 The only one of its kind, Brugger & Thomet APC9 and GHM9 50 round drum magazine. Truly an incredible combination of quality and performance, be the first to own this exclusive...
    HKP-18577
    $168.95
    Out Of Stock
    Qty in Cart: 0
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    $168.95
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  • On Sale
    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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    Now: $24.95
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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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    Now: $39.96
    Was: $49.95
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  • New - HKP 15 Round HK VP9SK, HK P30SK 9mm Magazine with Finger Rest - Black - HKP-20568 HK VP9SK, P30SK Magazine with Finger Rest - 15 Round - 9mm
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    HK VP9SK, P30SK Magazine with Finger Rest - 15 Round - 9mm

    HKP HK Parts

    $79.95
    HKP HK Parts 15 Round Magazine with Black Finger Rest for HK VP9SK and HK P30SK New German VP9SK, P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +5 magazine extension installed & ready to use...
    HKP-20568
    $79.95
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    $79.95
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  • HK USP45 Magazine with Extension, Complete - 24 Round HK USP45 Magazine with Extension, Complete - 24 Round
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    HK USP45 Magazine with Extension, Complete - 24 Round

    HKP HK Parts

    $89.95
    HKP HK Parts 24 Round Magazine Complete for HK USP45, USP45 Tactical The HK Parts manufactured USP 45 mag extension has been installed on an HK USP 45 12 round magazine to increase the capacity to a 24 round complete magazine.  A great accessory and...
    HKP-19479
    $89.95
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  • New - H&K HK MP5, HK SP5 10 Round Magazine Spring - HKP-19454
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    HK MP5, HK94, SP5 Magazine Spring - 10 Round

    H&K Heckler & Koch

    $6.95
    10 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazines
    HKP-19454
    $6.95
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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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  • On Sale
    Refurbished - HK91, G3 7.62x51 / .308 15 Round Steel Magazine - Refinished - BLEMISHED - HKP-21922-B HK91, G3 Magazine - 15 Round - Refinished, BLEMISHED
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    HK91, G3 Magazine - 15 Round - Refinished, BLEMISHED

    H&K Heckler & Koch

    Now: $44.95
    Was: $84.95
    Heckler and Koch 15 Round Steel Magazine, Refinished and marked BLEMISHED, for HK91, G3 7.62x51 / .308  MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...
    HKP-21922-B
    Now: $44.95
    Was: $84.95
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    Now: $44.95
    Was: $84.95
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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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    $69.95
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