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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  • HK91, G3, PTR Magazine - 20 Round - Steel - Like New HK91, G3, PTR Magazine - 20 Round - Steel - Like New
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    HK91, G3, PTR Magazine - 20 Round - Steel - Like New

    Rheinmetall

    $28.95
    Rheinmetall HK G3, HK91, and PTR91 20 Round Steel Magazine - Like New Steel magazine for HK91, G3, and PTR91 pattern rifles with a 20-round capacity. Originally made for the German army and offered in like new condition. These are no longer in production...
    HKP-22563
    $28.95
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  • Out Of Stock
    New - B&T Magazine Slim Bumper Upgrade Kit - HKP-21712 B&T APC9, TP9, SPC9 Magazine Slim Bumper Upgrade Kit

    B&T APC9, TP9, SPC9 Magazine Slim Bumper Upgrade Kit

    B&T Brugger & Thomet

    $20.00
    B&TBrugger and Thomet Magazine Slim Bumper Upgrade Kit This magazine upgrade kit enhances the durability of your 9mm magazines, providing extra protection for the base. The kit features a two-piece base plate that reinforces the bottom of the...
    HKP-21712
    $20.00
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    $20.00
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  • New - HKP HK VP9SK/P30SK +5 Magazine Extension Kit - HKP-20566-M HK VP9SK, P30SK +5 Magazine Extension Kit
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    HK VP9SK, P30SK +5 Magazine Extension Kit

    HKP HK Parts

    $34.95
    Magazine Extension Kit +5 - HK VP9SK, HK P30SK HK Parts magazine extension kit adds 5 additional rounds to the HK VP9SK/P30SK magazine with the simple swap of the floor plate & high-reliability mag spring.  HKP highly recommends using a magazine...
    HKP-20566-M
    $34.95
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  • HK Mark 23 Magazine with Extension, Complete - 24 Round HK Mark 23 Magazine with Extension, Complete - 24 Round
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    HK Mark 23 Magazine with Extension, Complete - 24 Round

    HKP HK Parts

    $89.95
    HK Parts and Heckler and Koch Complete 24 Round Magazine for Mark 23, SOCOM  New HK German MK23 Magazine body combo; pre-installed along with the HK Parts mag extension kit fully installed. Each offering is complete, fully assembled, ready for...
    HKP-19478
    $89.95
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  • New - H&K 9 Round HK P2000SK .357 SIG Magazine - Black - HKP-01021 HK P2000SK Magazine - 9 Round -.357 SIG
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    HK P2000SK Magazine - 9 Round -.357 SIG

    H&K Heckler & Koch

    $49.00
    HK P2000 SK .357 SIG 9 Round Magazine New HK German comes just as pictured for the HK P2000 SK. Compatible With: P2000 SK .40 and .357 Sig
    HKP-01021
    $49.00
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  • Out Of Stock
    New - HK 10 Round HK USPC .357 Extended Floorplate Magazine - Black - HKP-01238 HK USPC Magazine with Extended Floorplate - .357 SIG - 10 Round -

    HK USPC Magazine with Extended Floorplate - .357 SIG - 10 Round -

    H&K Heckler & Koch

    $49.00
    Heckler and Koch 10 Round .357 Extended Floorplate Magazine for HK USP Compact Will work with .40 cal rounds. Brand new HK German manufactured.
    HKP-01238
    $49.00
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  • Out Of Stock
    New - HKP 10 Round MP5 40/10 Magazine Block - HKP-18170 HK MP5, MP5K Magazine Block Plug - 10 to 30 Round Conversion - .40 S&W, 10mm

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

    HKP HK Parts

    $9.95
    HKP HK Parts 10 Round Magazine Block for HK MP5 .40, 10mm MP5 10 to 30 mag block plug. This is designed to use on the HK MP5 40, 10 30 round magazine. Very easy to install and use.  Compatible With: MP5 .40 S&W MP5 10mm Clones or other custom...
    HKP-18170
    $9.95
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  • New - H&K HK21 50 Round Belt with Starter Tab - HKP-22098 HK21 Ammunition Belt with Starter Tab - DM6 - 50 Round
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    HK21 Ammunition Belt with Starter Tab - DM6 - 50 Round

    H&K Heckler & Koch

    $39.95
    H&K HK21 DM6 50 Round Belt with Starter Tab - 7.62x51/.308 Custom 50 round belt for HK21 and MG3 belt-fed rifles. Compatible With: HK21
    HKP-22098
    $39.95
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  • On Sale
    New - HKP 30 Round HK VP9/P30 Complete 9mm Magazine Magazine - Translucent - HKP-18242 HK VP9, P30 Magazine, Complete - 30 Round - Translucent
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    HK VP9, P30 Magazine, Complete - 30 Round - Translucent

    HKP HK Parts

    Now: $59.95
    Was: $67.95
    HKP HK Parts 30 Round Complete 9mm Magazine - Translucent for HK VP and HK P30 New HK German VP9 and P30 Magazine body combo; pre-installed along with the HK Parts 30 round mag translucent polycarbonate extension kit fully installed. Each offering is...
    HKP-18242
    Now: $59.95
    Was: $67.95
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  • New - B&T 30 Round Magazine Spring - 9mm - HKP-21758
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    MP9, TP9, APC9, GHM9, SPC9 Magazine Spring - 9mm - 30 Round

    B&T Brugger & Thomet

    $6.95
    B&T 30 Round 9mm Magazine Spring  Factory B&T replacement magazine spring for 30 round 9mm magazines. Compatible With: MP9/TP9 APC9 GHM9 SPC9
    HKP-21758
    $6.95
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  • New - H&K/HKP 19 Round HK VP9SK/P30SK Magazine Complete - Black - HKP-20060 HK VP9SK, P30SK Magazine, Complete - 19 Round
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    HK VP9SK, P30SK Magazine, Complete - 19 Round

    HKP HK Parts / Heckler & Koch

    $89.95
    10 Round Magazine with Black +7 Extension - 9mm - HK VP9SK and P30SK Drop-in magazine ready to go! HK Parts takes an existing 10 round magazine a +7 magazine extension and a 17 round mag follower from conversion kits to assemble them into a working 19...
    HKP-20060
    $89.95
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  • New - H&K 13 Round HK VP40/P30 .40 S&W Magazine Body - Black - HKP-17227 HK VP40, P30, P30L Magazine Body - .40 S&W - 13 Round
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    HK VP40, P30, P30L Magazine Body - .40 S&W - 13 Round

    H&K Heckler & Koch

    $45.99
    HK VP40, P30, P30L, P30S 13 Round Magazine Housing - .40 Cal Brand new HK German factory magazine body ONLY for the 13 round .40 cal magazine. This item is for the mag body NOT the complete magazine. Compatible With: VP40 P30 P30L P30S *This is the...
    HKP-17227
    $45.99
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