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 - B&T 17 Round BT USW-A1 9mm Magazine - Black - HKP-18336 B&T USW-A1 Magazine - 9mm - 17 Round
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    B&T USW-A1 Magazine - 9mm - 17 Round

    B&T Brugger & Thomet

    $45.00
    B&T 17-Round BT USW-A1 9mm Magazine New Swiss B&T manufactured 17-round magazine for the USW-A1 9mm. This item is restricted in certain states. All Federal, State and Local laws apply.   Specifications: Factory new condition 17-round...
    HKP-18336
    $45.00
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  • New - Magpul AR/M4 TMAG 20 Round GEN M3 Magazine - Translucent OD Green - HKP-22035 HK416, MR556, AR-15, M4 Magazine - TMAG Gen 3 - 20 Round - Translucent OD Green
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    HK416, MR556, AR-15, M4 Magazine - TMAG Gen 3 - 20 Round - Translucent OD Green

    Magpul

    $24.95
    Magpul AR/M4 TMAG® 20 Round GEN M3™ Magazine - Translucent OD Green US-made translucent 20 round magazine optimized for AR/M4 platforms, but modified to permit operation with other 5.56 and .223 STANAG-compatible rifles. Specifications: Made...
    HKP-22035
    $24.95
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  • New - H&K / HKP 25 Round HK VP9 Magazine – Red Cerakote - HKP-20896 HK VP9 Magazine - 25 Round – Red Cerakote
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    HK VP9 Magazine - 25 Round – Red Cerakote

    HKP HK Parts / Heckler & Koch

    $89.95
    H&K / HKP 25 Round HK VP9 Magazine – Red Cerakote HKPARTS +10 alloy magazine extension coupled with an HK 15 round factory German magazine adds 10 additional rounds total for a fully assembled 25 round HK VP9/P30 magazine. Ideal for competitive...
    HKP-20896
    $89.95
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  • New - H&K MP5, 94 Magazine Spring - 15 Round - HKP-00090
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    HK MP5, 94 Magazine Spring - 15 Round

    H&K Heckler & Koch

    $8.95
    HK German MP5, 94, SP89, MP5K 15 Round Magazine Spring Compatible with all 15 Round MP5 and 94 style curved magazines. This is a must-have repair and replacement part, great to have for spares.
    HKP-00090
    $8.95
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  • New - Beta C-Mag 100 Round Glock 9mm Drum Magazine - Black - HKP-02622
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    Beta C-Mag 100 Round Glock 9mm Drum Magazine

    Beta C-Mag

    $759.95
    Beta C-Mag 100 Round Glock 9mm Drum Magazine Specifications: Caliber: 9mm Capacity: 100 Rounds Material: Polymer Manufacturer: The Beta Company Compatible With: Glock 17 Glock 19 Glock 26 Clock 18 double stack  Glock 9mm models
    HKP-02622
    $759.95
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  • Out Of Stock
    New - MM HK 21 (7.62x51/.308) Belt Box Adapter - HKP-01844 HK 21 Ammunition Belt Box Adapter

    HK 21 Ammunition Belt Box Adapter

    Michaels Machines

    $274.95
    Belt Box Adapter A new custom-made adapter - allows you to use HK German factory HK21E belt boxes on the HK21 older style or original style belt feds. It is a drop-in design that will enable easy and quick use of the superior HK21E belt boxes...
    HKP-01844
    $274.95
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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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  • Used - HK G3 .22 20 Round Conversion Magazine - USED - HKP-20750 HK G3 .22 20 Round Conversion Magazine - USED
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    HK G3 .22 20 Round Conversion Magazine - USED

    $199.95
    HK G3 .22 20 Round Conversion Magazine - USED HK .22 caliber conversion kit 20-round magazine for The G3/91. Ideal for those that have the caliber conversion kit and wants to stack up on spare magazines. Condition is used to like new in the gray paint...
    HKP-20750
    $199.95
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  • Out Of Stock
    Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Steel - HKP-17390 HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel

    HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Steel

    H&K Heckler & Koch

    $349.95
    HK 91, G3, PTR Shooter Pack - 36 Quantity 20 Round Magazines  All STEEL MAGS - RARE!!! For all those shooters or collectors out there this is the deal for you. For a limited time or while supplies last we have a case of 3 dozen shooter grade all...
    HKP-17390
    $349.95
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  • HK CC9 +3 Magazine Extension Kit with Pinky Rest - 9mm HK CC9 +3 Magazine Extension Kit with Pinky Rest - 9mm
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    HK CC9 +3 Magazine Extension Kit with Pinky Rest - 9mm

    HKP HK Parts

    $49.95
    HKP HK CC9 +3 Magazine Extension +3 magazine extension for the HK CC9. This low-profile base pad increases a standard 15-round CC9 magazine to 18 rounds.  Machined in the U.S. from aircraft-grade hard coat anodized aluminum with steel hardware...
    HKP-22476-M
    $49.95
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  • HK MP5, AP5 Magazine Spring - 30 Round
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    HK MP5, AP5 Magazine Spring - 30 Round

    MKE

    $5.95
    MKE 30 round magazine spring for HK MP5- Turkey The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines.  Compatible With: MP5, MP5K SP5, SP5K AP5  
    HKP-22473
    $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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