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 HK21 200 Round Belt with Starter Tab - HKP-21925 HK21 Ammunition Belt with Starter Tab - DM1 - 200 Round
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    HK21 Ammunition Belt with Starter Tab - DM1 - 200 Round

    H&K Heckler & Koch

    $114.95
    Heckler and Koch DM1 200 Round Belt with Starter Tab - for HK21 7.62x51/.308 Custom 200 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just aren't enough! Compatible With: HK21
    HKP-21925
    $114.95
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    $114.95
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  • New - H&K UMP (.40 S&W) 30 Round Magazine - HKP-00607 HK UMP Magazine - 30 Round - .40 S&W
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    HK UMP Magazine - 30 Round - .40 S&W

    H&K Heckler & Koch

    $79.95
    HK Heckler and Koch German .40 S&W 30 Round Factory Magazine for HK UMP New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-00607
    $79.95
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  • New - HKP HK UMP (9mm ) 15 Round Magazine - HKP-17849 HK UMP 9mm  15 Round Magazine
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    HK UMP 9mm 15 Round Magazine

    HKP HK Parts

    $49.95
    UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...
    HKP-17849
    $49.95
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  • HK USP9 Complete Magazine - 22 Round HK USP9 Complete Magazine - 22 Round
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    HK USP9 Complete Magazine - 22 Round

    HKP HK Parts / Heckler & Koch

    $98.95
    HKP Complete 22 Round Magazine for USP9 Complete 22 round magazine for HK USP9 pistols. This magazine combines an HKP magazine extension with an original German Heckler and Koch magazine body to increase capacity to 22 rounds. Built for USP9 models and...
    HKP-22555-M
    $98.95
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  • On Sale
    Used - HK G3 .22 20 Round Conversion Magazine - BLEMISHED - HKP-20750-B HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED
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    HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED

    H&K Heckler & Koch

    Now: $149.95
    Was: $199.95
    H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN CONDITION. Priced for ONE Conversion Magazine -...
    HKP-20750-B
    Now: $149.95
    Was: $199.95
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    Now: $149.95
    Was: $199.95
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  • New - Strike Industries HK VP9 EMP Pocket Clip - HKP-21303-M HK VP9 EMP Pocket Clip
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    HK VP9 EMP Pocket Clip

    Strike Industries

    $9.95
    Strike Industries EMP Pocket Clip The Strike Industries EMP Pocket Clip gives you a quick and easy way to carry a spare pistol magazine for when you need it. The clip can also help hang or organize magazines in a range bag or safe. Offered for either...
    HKP-21303-M
    $9.95
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    $9.95
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  • New - H&K 10 Round HK 45 Magazine Housing - Black - HKP-02494 HK45, HK45 Tactical Magazine Housing - 10 Round
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    HK45, HK45 Tactical Magazine Housing - 10 Round

    H&K Heckler & Koch

    $34.95
    HK45 Magazine Housing For 10 Round Mag - Mag Body Only Brand new factory German manufacture. Compatible With: HK45, HK45 Tactical Please Note: This is not the same as the USP45 mag body.
    HKP-02494
    $34.95
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  • New - H&K HK P7 PSP/P7M8 Magazine Follower - HKP-01331
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    HK P7 PSP, P7M8 Magazine Follower

    H&K Heckler & Koch

    $24.95
    HK P7 PSP/P7M8 Magazine Follower Compatible With: PSP P7M8
    HKP-01331
    $24.95
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  • New - HKP HK P2000 +10 Magazine Extension Kit – Black - HKP-20811 HK P2000 Magazine Extension Kit - +10
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    HK P2000 Magazine Extension Kit - +10

    HKP HK Parts

    $64.99
    HKP HK P2000 +10 Magazine Extension Kit HK Parts magazine extension adds 10 additional rounds to the HK P2000 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly recommends using a magazine loader when loading...
    HKP-20811
    $64.99
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  • Out Of Stock
    New - H&K HK MR556/416 Complete Floor Plate - HKP-15209 HK416, MR556 Magazine Floorplate - 5.56 / .223 - 10,20,30 Round - Complete

    HK416, MR556 Magazine Floorplate - 5.56 / .223 - 10,20,30 Round - Complete

    H&K Heckler & Koch

    $10.95
    HK German HK 416, MR556 Floor Plate Extension Complete All steel HK Marked 30, 20 & 10 round floor plates. Each unit comes complete with the rubber bushing installed in the maritime finish. It is a great spare to have on hand as these do break...
    HKP-15209
    $10.95
    Out Of Stock
    Qty in Cart: 0
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    $10.95
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  • On Sale
    HK91, G3, PTR Magazine - 20 Round - Steel - USED HK91, G3, PTR Magazine - 20 Round - Steel - USED
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    HK91, G3, PTR Magazine - 20 Round - Steel - USED

    Rheinmetall

    Now: $24.95
    Was: $34.95
    Rheinmetall HK91, G3, PTR Magazine - 20 Round - Steel - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTS AND PITTING USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. G3 steel mags were made for the...
    HKP-22495-USED
    Now: $24.95
    Was: $34.95
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    Was: $34.95
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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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    $24.95
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