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 8 Round HK P7 PSP 9mm Magazine - Black - HKP-00322 HK P7 PSP Magazine - 8 Round - 9mm
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    HK P7 PSP Magazine - 8 Round - 9mm

    H&K Heckler & Koch

    $78.95
    Heckler and Koch 8 Round 9mm Magazine in Black for HK P7 PSP There are multiple versions of the P7 pistols and magazines. The original pistols were called HK PSP; later, they were renamed P7 PSP and P7. When HK brought the P7 into the US a new version...
    HKP-00322
    $78.95
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  • HK91, G3, PTR Magazine - 20 Round - Aluminum - USED - FMP HK91, G3, PTR Magazine - 20 Round - Aluminum - USED - FMP
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    HK91, G3, PTR Magazine - 20 Round - Aluminum - USED - FMP

    FMP HK CONTRACT

    $11.95
    FMP Portuguese HK91, G3, PTR 20 Round Aluminum Magazine - Used Portuguese FMP 20-round aluminum magazine for HK91, G3, and PTR pattern rifles. A solid factory-style magazine option for range use, replacement needs, or adding extra mags to your setup...
    HKP-22713
    $11.95
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  • HK USP, HK45 Compact Magazine, Complete - 18 Round HK USP, HK45 Compact Magazine, Complete - 18 Round
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    HK USP, HK45 Compact Magazine, Complete - 18 Round

    HKP HK Parts / Heckler & Koch

    $89.95
    Heckler and Koch, HKP 18 Round Magazine for HK45 Compact, HK USP45 Compact Complete 18-round magazine assembled using a factory Heckler and Koch magazine body combined with an HKP magazine extension. This configuration increases capacity while...
    HKP-22520
    $89.95
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  • New - H&K/HKP 14 Round HK VP9SK Complete Magazine - HKP-21864 HK VP9SK Magazine, Complete - 14 Round
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    HK VP9SK Magazine, Complete - 14 Round

    HKP HK Parts / Heckler & Koch

    $69.95
    HK Parts and Heckler and Koch 14 Round Complete Magazine for HK VP9SK HK Parts modifies an existing 12 round magazine with a +2 extension to create a fully functional 14 round magazine. Specifications: 4-1/2" overall length Compatible With: VP9SK
    HKP-21864
    $69.95
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  • On Sale
    New - TPM Sig P320 +3 Magazine Extension - HKP-21133-M Black
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    Sig P320 +3 Magazine Extension

    Tactical Precision MFG

    Now: $19.95
    Was: $44.95
    TPM Sig P320 +3 Magazine Extension This extension is made from machined 6061 aluminum. This magazine extension will increase the capacity, reload speed, mag drops, and overall functionality of your pistol. Available in various colors to customize to your...
    HKP-21133-M
    Now: $19.95
    Was: $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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  • HK CC9 Magazine Locking Plate - 12 Round HK CC9 Magazine Locking Plate - 12 Round
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    HK CC9 Magazine Locking Plate - 12 Round

    H&K Heckler & Koch

    $5.95
    H&K CC9 Magazine Locking Plate - 12 Round Locking plate for H&K CC9 12-round magazine. Secures the floor plate and internal components to the magazine body. German-made by H&K. Compatible With: HK CC9
    HKP-22145
    $5.95
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  • Out Of Stock
    Used - 30 Round Magazine - LEO Marked - Windowless - HK UMP .40 - HKP-20749 HK UMP Magazine - .40 ACP - 30 Round - LEO Marked

    HK UMP Magazine - .40 ACP - 30 Round - LEO Marked

    H&K Heckler & Koch

    $99.95
    Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were used before they switched over to the windowed UMP...
    HKP-20749
    $99.95
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  • New - H&K Factory Multi-Mag Loader for Multiple Magazines - HKP-01076 HK Factory Multi-Mag Loader for Multiple Magazines
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    HK Factory Multi-Mag Loader for Multiple Magazines

    H&K Heckler & Koch

    $29.95
    H&K Factory Multi-Mag Loader for Multiple Magazines The HK MUL-T-LOADER was designed specifically for HK pistols such as the P7-M13, P7-M8, P7PSP, P7M10, P9S, HK USPC 9/40 mags and P7-K3. Due to the unique design of the MUL-T-LOADER's removable...
    HKP-01076
    $29.95
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  • Out Of Stock
    New - H&K 23E (5.56/.223) Belt Box - HKP-18012

    HK23E Ammunition Belt Box - 5.56 / .223

    H&K Heckler & Koch

    $0.00
    HK23E & MM23E Belt Box - German HK Brand new German HK23E, MM23E made feed box. The German units have long since been out of production so getting these new old stock German HK feed boxes is a windfall and a rare opportunity. Compatible With: HK 23E...
    HKP-18012
    $0.00
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  • New - H&K 91/G3 (7.62x51/.308) Magazine Unloader - HKP-01508
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    HK91, G3 Magazine Unloader

    H&K Heckler & Koch

    $49.95
    HK Factory German Unloader For HK 91, G3, And PTR Magazines Brand new HK German manufactured magazine loader for the alloy or steel mags. Made from all steel construction. Compatible With: HK 91 magazines HK G3 magazines PTR, CETME HK PSG-1 magazines HK...
    HKP-01508
    $49.95
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  • HK CC9 Magazine Locking Plate - 10 Round HK CC9 Magazine Locking Plate - 10 Round
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    HK CC9 Magazine Locking Plate - 10 Round

    H&K Heckler & Koch

    $5.95
    H&K CC9 Magazine Locking Plate - 10 Round Locking plate for H&K CC9 10-round magazines. Secures the floor plate and internal components to the magazine body. Genuine H&K part. Compatible With: HK CC9
    HKP-22149
    $5.95
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