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 HK MP5 & HK MP5K 9mm Dual German Magazine Clamp Bundle - HKP-20492 HK MP5, MP5K Magazine Clamp - Dual - 9mm - Bundle

    HK MP5, MP5K Magazine Clamp - Dual - 9mm - Bundle

    H&K Heckler & Koch

    $299.95
    HK German MP5 & SP5 Or MP5K & SP5K 9mm Mag Clamp Bundle Allows the user to clamp 2 X MP5 9mm 30 round magazines together for ease of use & safety by keeping 2 magazines usable & at your disposal. A Heckler & Koch German made genuine...
    HKP-20492
    $299.95
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  • New - HKP HK 91/G3/PSG1/HK11 50 Round Drum Magazine - HKP-21615 HK91, G3, PSG1, HK11 Drum Magazine - 50 Round
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    HK91, G3, PSG1, HK11 Drum Magazine - 50 Round

    HKP HK Parts

    $359.95
    HKP 50 Round Drum HK91, G3, PSG1/MSG90, HK11 - 7.62x51/.308 Modeled after the discontinued HK G8 50 round drum, the HK Parts drum steps in where the original left off.  Each drum is crafted in the US from billet aluminum with aluminum and steel...
    HKP-21615
    $359.95
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    Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazines - Shooter Value - 36 Pack - Alloy - HKP-16905 HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Alloy

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

    H&K Heckler & Koch

    $244.95
    HK 91, G3, PTR Shooter Pack - 36 Pack of 20 Round Alloy Magazines Compatible With: HK G3 HK91 PTR Century Arms C308 SAR8, CETME Custom HK .308 clones or custom builds
    HKP-16905
    $244.95
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  • New - Zenith 30 Round HK MP5, MP5K 9mm Magazine - Bundle of 10 - HKP-20673 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundle of 10
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundle of 10

    Zenith

    $349.95
    30 Round Magazine - Zenith - MP5, MP5K -  Bundle of 10 Features: Durable electro-plated black finish for exceptional corrosion resistance All steel construction Round count indicator holes on the rear of the magazine Stainless steel...
    HKP-20673
    $349.95
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  • Out Of Stock
    New - KCI 30 Round MP5 9mm Magazine - 10 Pack - HKP-22058 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - 10 Pack

    KCI

    $349.95
    KCI 30 Round MP5 9mm Magazine - 10 Pack Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All steel...
    HKP-22058
    $349.95
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    New - B&T HK MP5/MP5K QD/QO Brass Catcher - HKP-21315 HK MP5, MP5K Brass Catcher - QD,QO

    HK MP5, MP5K Brass Catcher - QD,QO

    B&T Brugger & Thomet

    $264.95
    B&T HK MP5/MP5K QD/QO Brass Catcher Works with HK MP5 only with the BT-21358 handguard or for the BT-21573 handguard for the MP5K. Compatible With: HK MP5/MP5K HK SP5/HK SP5K Clones
    HKP-21315
    $264.95
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  • New - X Products HK 93/53/33 (5.56/.223) 50 Round Drum Magazine - HKP-17812 HK33, HK53, HK93 Drum Magazine - 50 Round
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    HK33, HK53, HK93 Drum Magazine - 50 Round

    X Products

    $349.95
    50 Round Drum HK 93, 33, 53 & Clones, Custom Builds - X93, 33, 53 X Products 50 round drum for the HK93, 33, 53 family of firearms. Will fit all in-spec firearms made to German HK magwell specs.  Each drum in this limited run was crafted from...
    HKP-17812
    $349.95
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  • On Sale
    New - HKP HK21 Drum Hanger & H&K 100rd Drum - HKP-21633 HK21 Drum Hanger and100rd Drum
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    HK21 Drum Hanger and100rd Drum

    HKP HK Parts

    Now: $389.95
    Was: $435.95
    HKP HK21 Drum Hanger with H&K 100 Round Drum Complete your HK21 or FMP21 build with our HKP drum hanger and H&K original 100-round drum.  Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and...
    HKP-21633
    Now: $389.95
    Was: $435.95
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  • New - B&T HK MR556/MR762/416/417 Brass Catcher - HKP-16899 HK416, MR556, HK417, MR762 Brass Catcher
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    HK416, MR556, HK417, MR762 Brass Catcher

    B&T Brugger & Thomet

    $289.95
    B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard.  If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...
    HKP-16899
    $289.95
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  • New - HKP HK VP9/VP40 Accessory Kit - HKP-18695-M HK VP9, VP40 Accessory Kit
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    HK VP9, VP40 Accessory Kit

    HKP HK Parts

    $254.95
    HKP HK VP9/VP40 Accessory Kit Includes: Comp Weight - HKP-21080-M Magazine Extension - HKP-21108-M Magwell - HKP-17802-M Slide Plate - HKP-17676-M Compatible With: HK VP9, VP9 Tactical, VP40, VP40 Tactical NOT compatible with VP9L, VP9A1 F, VP9A1 K
    HKP-18695-M
    $254.95
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    $254.95
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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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  • 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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    $349.95
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