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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  • 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
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    $10.95
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  • New - H&K HK21 200 Round Belt with Starter Tab - HKP-21925 HK23, HK21, HK11 Ammunition Belt with Starter Tab - 200 Round
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    HK23, HK21, HK11 Ammunition Belt with Starter Tab - 200 Round

    H&K Heckler & Koch

    $114.95
    H&K HK21 200 Round Belt with Starter Tab - 7.62x51/.308 Custom 200 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just isn't enough! Compatible With: HK 23/21/11
    HKP-21925
    $114.95
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  • On Sale
    New - KCI Glock 50-Round 9mm Drum Magazine - Case of 20 - HKP-21888 KCI Glock 50-Round  9mm Drum Magazine - Case of 20
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    KCI Glock 50-Round 9mm Drum Magazine - Case of 20

    Now: $499.95
    Was: $799.95
    KCI Glock 50-Round 9mm Drum Magazine - Case of 20 50 round 9mm drums for firearms designed to feed Glock double stack 9mm magazines.  Perfect for Glock pistols, Glocks chassis systems, and PCCs (pistol caliber carbines). CLEARANCE ITEMS ARE FULLY...
    HKP-21888
    Now: $499.95
    Was: $799.95
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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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  • Used - H&K 30 Round HK MP5 40/10 Magazine - Gray - Used - HKP-01726 HK 30 Round HK MP5 40/10 Magazine - Gray - Used
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    HK 30 Round HK MP5 40/10 Magazine - Gray - Used

    H&K Heckler & Koch

    $159.95
    30 Round HK MP5 40/10 Magazine - Gray - USED These magazines are no longer available and we have just a few remaining units.  Once they are gone, they are gone for good. These magazines are USED and are not eligible for return.  Please...
    HKP-01726
    $159.95
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  • Out Of Stock
    New - H&K 8 Round HK USPC/45C .45 ACP Magazine Body - Black - HKP-16323 HK45C, USPC Magazine Body - 8 Round

    HK45C, USPC Magazine Body - 8 Round

    H&K Heckler & Koch

    $49.95
    H&K 8 Round HK USPC/45C .45 ACP Magazine Body A great spare to have on hand in the event that you damage or dent your magazine body. This is the mag body as shown not the complete magazine. Compatible With: HK45 Compact HK USP Compact 45 ACP
    HKP-16323
    $49.95
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  • Used - H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - Used - HKP-17917
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    HK UMP Magazine - 25 Round - LEO Marked - Used

    H&K Heckler & Koch

    $149.95
    German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings.  Condition of used parts will vary.  All used parts are sold AS-IS. Compatible With: HK UMP .45 ACP
    HKP-17917
    $149.95
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  • New - B&T 30 Round APC10/SPC10 Magazine - 10mm - HKP-21720 New - B&T 30 Round APC10/SPC10 Magazine - 10mm - HKP-21720
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    B&T APC10, SPC10 Magazine - 30 Round

    B&T Brugger & Thomet

    $100.00
    B&T 30 Round APC10/SPC10 Magazine - 10mm Compatible with any G pattern 10mm B&T firearm.  Compatible With: B&T APC10 B&T SPC10
    HKP-21720
    $100.00
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  • On Sale
    New - HKP +5 Round HK VP/P30 Magazine Extension Kit - Red - BLEMISHED - HKP-21108-RE-B HK VP, P30 Magazine Extension Kit - +5 Round - Red - BLEMISHED
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    HK VP, P30 Magazine Extension Kit - +5 Round - Red - BLEMISHED

    HKP HK Parts

    Now: $33.71
    Was: $44.95
    HKP +5 Round HK VP/P30 Magazine Extension Kit - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The new and improved Gen 2 Model is now...
    HKP-21108-RE-B
    Now: $33.71
    Was: $44.95
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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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  • 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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    $45.00
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  • On Sale
    New - H&K 91/G3/MSG90 (7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch - HKP-15793 HK91, G3, PTR TWO Magazines and Rubberized Mag Pouch - 20 Round
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    HK91, G3, PTR TWO Magazines and Rubberized Mag Pouch - 20 Round

    H&K Heckler & Koch

    Now: $29.95
    Was: $49.95
    H&K 91/G3/MSG90 (7.62x51/.308) 2-20 Round Aluminum Mags W/ Rubberized Mag Pouch 2 new/like new HK German 20 round aluminum magazine with green rubberized mag pouch bundle deal: 2 20 round aluminum magazines with new green rubberized mag pouch...
    HKP-15793
    Now: $29.95
    Was: $49.95
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    Now: $29.95
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