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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  • On Sale
    New - B&T 9mm Dual Mag Clamp - HKP-17440
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    B&T 9mm Dual Mag Clamp

    B&T Brugger & Thomet

    Now: $46.80
    Was: $52.00
    B&T 9mm Dual Mag Clamp Double up on your magazines with this magazine clamp made by Brügger & Thomet. Compatible With: B&T APC9 B&T GHM9 B&T SPC9
    Now: $46.80
    Was: $52.00
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    Was: $52.00
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    New - H&K HK P7 PSP/P7M8 Magazine Floorplate - HKP-01330 HK P7 PSP, P7M8 Magazine Floorplate - 9mm - 8 Round

    HK P7 PSP, P7M8 Magazine Floorplate - 9mm - 8 Round

    H&K Heckler & Koch

    Now: $10.75
    Was: $11.95
    HK P7 PSP/P7M8 Magazine Floorplate New HK German manufacture. Compatible With: PSP P7M8
    Now: $10.75
    Was: $11.95
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    Was: $11.95
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  • Out Of Stock
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    New - H&K 93/53/33 (5.56/.223) Magazine Clamp - HKP-00485

    HK33, HK53, HK93 Magazine Clamp

    H&K Heckler & Koch

    Now: $97.16
    Was: $107.95
    HK 93, HK 33 & HK 53 Magazine Clamp German HK dual mag clamp for all HK 93/33/53 magazines. Holds two magazines together for easy access and ease of use.  Compatible With: HK93 HK33 HK53 Clones and other custom builds
    Now: $97.16
    Was: $107.95
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    Now: $97.16
    Was: $107.95
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  • On Sale
    New - HKP HK45 +5 Enhanced Magazine Extension Kit - HKP-21444-M HK45 +5 Enhanced Magazine Extension Kit
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    HK45 +5 Enhanced Magazine Extension Kit

    HKP HK Parts

    Now: $51.96
    Was: $64.95
    HKP HK45 +5 Magazine Extension Kit HK Parts magazine extension +5 kit adds 5 additional rounds to the HK45 magazine with the simple swap of the floor plate & high-reliability mag spring. Ideal for competitive shooters, concealed carry, or range day...
    Now: $51.96
    Was: $64.95
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  • On Sale
    New - H&K / HKP 14 Round HK VP9SK Magazine – Red - HKP-20889 HK VP9SK Magazine - 14 Round – Red
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    HK VP9SK Magazine - 14 Round – Red

    HKP HK Parts / Heckler & Koch

    Now: $62.96
    Was: $69.95
    HK VP9SK & P30SK 9mm – 14 Round Magazine New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +2 magazine extension installed & ready to use. This magazine has the same...
    Now: $62.96
    Was: $69.95
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    Was: $69.95
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    New - H&K 10 Round HK USPC .357 Extended Floorplate Magazine - Black - HKP-01238 HK USPC Magazine - .357 / .40 S&W - 10 Round - Extended Floorplate

    HK USPC Magazine - .357 / .40 S&W - 10 Round - Extended Floorplate

    H&K Heckler & Koch

    Now: $44.10
    Was: $49.00
    H&K 10 Round HK USPC .357 Extended Floorplate Magazine Will work with .40 cal rounds. Brand new HK German manufactured.
    Now: $44.10
    Was: $49.00
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    Now: $44.10
    Was: $49.00
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  • New - X Products HK 93/53/33 (5.56/.223) 50 Round Drum Magazine - HKP-17812 HK33, HK53, HK93 50 Round Drum Magazine
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    HK33, HK53, HK93 50 Round Drum Magazine

    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...
    $349.95
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  • On Sale
    New - HKP HK 416/COLT M4 .22 20 Round Magazine Spring - HKP-14410
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    HK416, COLT M4 Magazine Spring - .22LR - 20 Round

    HKP HK Parts

    Now: $1.95
    Was: $3.95
    HKP 20 Round HK416 .22LR and Colt M4 .22LR Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Umarex HK416 & Colt 20 round 22...
    Now: $1.95
    Was: $3.95
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    Now: $1.95
    Was: $3.95
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  • On Sale
    New - Glock 23 13-Round .40 S&W Magazine - Black - HKP-00014 Glock 23 13-Round .40 S&W Magazine
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    Glock 23 13-Round .40 S&W Magazine

    Glock

    Now: $14.96
    Was: $29.95
    Glock 23 .40 S&W - 13 Round Magazine These are factory-original, drop-free magazines for your Glock handgun. Glock magazines have a hardened steel insert encased in high-tech polymer. This polymer coating protects the magazine and prevents...
    Now: $14.96
    Was: $29.95
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  • Out Of Stock
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    New - HKP 10 Round MP5 40/10 Magazine Block - HKP-18170 MP5, MP5K Magazine Block - 10mm / .40 S&W - 10 to 30 Round Conversion

    MP5, MP5K Magazine Block - 10mm / .40 S&W - 10 to 30 Round Conversion

    HKP HK Parts

    Now: $7.96
    Was: $9.95
    HKP 10 Round MP5 40/10 Magazine Block MP5 10/30 mag block plug. This is designed to use on the HK MP5 40/10 30 round magazine. Very easy to install & use.  Compatible With: MP5 .40, MP5 10mm Clones or other custom builds
    Now: $7.96
    Was: $9.95
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  • On Sale
    New - E&L MFG MP5, MP5K, 94, SP89 Brass Catcher - HKP-00845 HK MP5, HK94, SP89, SP5K Brass Catcher
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    HK MP5, HK94, SP89, SP5K Brass Catcher

    E&L MFG

    Now: $71.95
    Was: $79.95
    E&L MFG MP5, 94, MP5K, SP89 Brass Catcher Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and is made from strong, lightweight, black textured plastic. Each holds a minimum of 60 rounds...
    Now: $71.95
    Was: $79.95
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    Was: $79.95
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  • On Sale
    New - TPM Glock 10mm +3 Magazine Extension - HKP-21142-M Glock 10mm +3 Magazine Extension
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    Glock 10mm +3 Magazine Extension

    Tactical Precision MFG

    Now: $16.46
    Was: $39.95
    TPM Glock 10mm +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...
    Now: $16.46
    Was: $39.95
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    Was: $39.95
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