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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  • 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
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    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
    $244.95
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  • On Sale
    New - Walther 20 Round UZI .22 Magazine Spring - HKP-15592
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    UZI Magazine Spring - .22LR - 20 Round

    Walther

    Now: $1.46
    Was: $3.95
    Walther 20 Round UZI .22 Magazine Spring Uzi .22LR 20 round magazine spring for the Uzi, Walther, Umarex .22 pistol. 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 fresh...
    Now: $1.46
    Was: $3.95
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    Now: $1.46
    Was: $3.95
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  • New - H&K 15 Round MP5/SP5/MP5K/SP5K 9mm Curved Magazine - Cerakote - HKP-21383-M HK MP5, HK94, SP89, SP5K Curved Magazine - 9mm - 15 Round - Cerakote
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    HK MP5, HK94, SP89, SP5K Curved Magazine - 9mm - 15 Round - Cerakote

    H&K Heckler & Koch

    $99.95
    HK German MP5, MP5K, SP5, SP5K - 15 Round Magazine - Cerakote Brand new factory fresh German HK 15 round curved magazine. Perfect for those in need of a lower capacity magazine for a more comfortable prone position shooting.  Compatible With:...
    $99.95
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    $99.95
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  • New - H&K 10 Round HK USP .45 ACP Extended Floor Plate - Black - HKP-01281 HK USP Extended Floorplate - .45 ACP - 10 Round
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    HK USP Extended Floorplate - .45 ACP - 10 Round

    H&K Heckler & Koch

    $12.95
    H&K 10 Round HK USP .45 ACP Extended Floor Plate This is a great part to stock up on as the 10-round tabs are known for breakage, or if you have large hands, the extended floorplate is a must-have upgrade.  Compatible With: HK USP .45 Magazine...
    $12.95
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    $12.95
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  • On Sale
    New - TPM Sig P320 +5 Magazine Extension - HKP-21135-M Black
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    Sig P320 +5 Magazine Extension

    Tactical Precision MFG

    Now: $17.21
    Was: $44.95
    TPM Sig P320 +5 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...
    Now: $17.21
    Was: $44.95
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    Now: $17.21
    Was: $44.95
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  • New - KCI 30 Round HK MP5 Magazine - LEO Marked - HKP-21611 KCI 30 Round HK MP5 Magazine - LEO Marked
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    KCI 30 Round HK MP5 Magazine - LEO Marked

    KCI

    $52.95
    KCI 30 Round HK MP5 Magazine - LEO Marked Replica LEO laser markings that closely resemble those found on factory magazines. These markings are expertly lasered onto KCI MP5 magazines, successfully emulating the sought-after LEO markings of authentic...
    $52.95
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    $52.95
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  • Out Of Stock
    New - H&K 28 Round HK USPC/P2000 9mm Magazine - Black - HKP-17203 HK USPC, P2000 Magazine - 9mm - 28 Round

    HK USPC, P2000 Magazine - 9mm - 28 Round

    HKP HK Parts

    $74.95
    H&K 28 Round HK USPC/P2000 9mm Magazine  New HK German USPC, P2000 Magazine body combined and pre-installed along with the HK Parts 28 round mag extension kit fully installed. Each offering is a complete, fully assembled, ready for the range 28...
    $74.95
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  • New - H&K 8 Round HK USPC/45C .45 ACP Floorplate w/ Pinky Rest - Black - HKP-01199 HK45C,  USPC Floorplate with Pinky Rest - 8 Round
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    HK45C, USPC Floorplate with Pinky Rest - 8 Round

    H&K Heckler & Koch

    $12.95
    H&K 8 Round HK USPC/45C .45 ACP Floorplate w/ Pinky Res HK factory German, vintage style, all polymer 8 round magazine floor plate with finger rest. This floorplate can become cracked and worn with use and is a great spare part to have on hand. Made...
    $12.95
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  • On Sale
    New - Elite Tactical Systems 20 Round MP5 9mm Magazine-Translucent - HKP-18739
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    Elite Tactical Systems 20 Round MP5 9mm Magazine-Translucent

    Elite Tactical Systems

    Now: $22.46
    Was: $39.95
    HK MP5 9mm 20 Round Translucent Magazine Features: Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Fits standard MP5 mag pouches and couplers Limited 20 round capacity Lifetime...
    Now: $22.46
    Was: $39.95
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    Now: $22.46
    Was: $39.95
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  • New - HKP HK VP9/P30 +15 Magazine Extension - HKP-16857-M HK VP9, P30 +15 Magazine Extension
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    HK VP9, P30 +15 Magazine Extension

    HKP HK Parts

    $22.95 - $29.95
    HKP HK VP9/P30 +15 Magazine Extension The HK Parts manufactured HK pistol mag extension allows the user to convert existing VP9, P30, P2000, & USPC magazines to an enhanced magazine capacity. Each mag extension is made from next-generation enhanced...
    $22.95 - $29.95
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  • On Sale
    New - HKP 25 Round HK UMP 40 25 Round Magazine - FDE - HKP-20519 HKP 25 Round HK UMP 40 25 Round Magazine - FDE
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    HKP 25 Round HK UMP 40 25 Round Magazine - FDE

    HKP HK Parts

    Now: $18.71
    Was: $49.95
    HKP 25 Round HK UMP 40 25 Round Magazine - FDE   THIS SHADE OF FDE HAS BEEN DISCONTINUED.  STOCK UP AT HALF PRICE BEFORE THEY ARE SOLD OUT FOR GOOD. Made from advanced polymer material with steel feed lips just like the German UMP 40 magazine...
    Now: $18.71
    Was: $49.95
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    Now: $18.71
    Was: $49.95
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  • New - H&K 10 Round HK VP9SK/P30SK 9mm Magazine - Red Follower - HKP-21431 HK 10 Round HK VP9SK/P30SK 9mm Magazine - Red Follower
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    HK 10 Round HK VP9SK/P30SK 9mm Magazine - Red Follower

    H&K Heckler & Koch

    $49.95
    H&K 10 Round HK VP9SK/P30SK 9mm Magazine - Red Follower German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK. Compatible With: VP9SK P30SK
    $49.95
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