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 - HKP HK MP5 40/10 Dual Magazine Clamp - HKP-21614-M HK MP5 40/10 Clamp - Dual Magazine
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    HK MP5 40/10 Clamp - Dual Magazine

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP5 40/10 Dual Magazine Clamp The HK Parts MP5 40/10 dual magazine clamp is expertly crafted to fit all 40/10 MP5 polymer magazines. Constructed from durable aluminum and finished with a type 3 hard anodize for enhanced protection and a premium...
    Now: $39.96
    Was: $49.95
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  • On Sale
    New - HKP/H&K 20 Round HKVP9SK/P30SK 9mm Magazine Complete - Red - HKP-19966 HKP/HK 20 Round HKVP9SK/P30SK 9mm Magazine Complete - Red
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    HKP/HK 20 Round HKVP9SK/P30SK 9mm Magazine Complete - Red

    Now: $80.95
    Was: $89.95
    10 Round Magazine with Red +10 Extension - 9mm - HK VP9SK & P30SK Ideal for competitive shooters that would like a 20 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing 10 round...
    Now: $80.95
    Was: $89.95
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  • On Sale
    New - HKP HK UMP (9mm ) 15 Round Magazine - HKP-17849 HK UMP 9mm  15 Round Magazine
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    HK UMP 9mm 15 Round Magazine

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...
    Now: $39.96
    Was: $49.95
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  • On Sale
    HKP 15 Round HK 45C & USPC .45 ACP Magazine HKP 15 Round HK 45C & USPC .45 ACP Magazine
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    HKP 15 Round HK 45C & USPC .45 ACP Magazine

    HKP HK Parts

    Now: $95.96
    Was: $119.95
    HKP 15 Round HK 45C & USPC .45 ACP Magazine  HK Parts +7 magazine extension boosts the HK45C 8-round mag to a full 15 rounds. Fully assembled and factory fresh, it's perfect for competition, concealed carry, or range use. Compatible With: HK...
    Now: $95.96
    Was: $119.95
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    New - HKP 24 Round Mark 23 .45ACP Complete Magazine - Black - HKP-19478 HKP 24 Round Mark 23 .45ACP Complete Magazine

    HKP 24 Round Mark 23 .45ACP Complete Magazine

    HKP HK Parts

    Now: $55.96
    Was: $89.95
    Magazine Complete 24 Round 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 the range. This offering is a valuable...
    Now: $55.96
    Was: $89.95
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  • New - H&K HK P7 PSP/P7M8 Magazine Follower - HKP-01331
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    HK P7 PSP, P7M8 Magazine Follower

    H&K Heckler & Koch

    $24.95
    HK P7 PSP/P7M8 Magazine Follower Compatible With: PSP P7M8
    $24.95
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    $24.95
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  • On Sale
    New - HKP HK45 +5 E2 Magazine Extension Kit - HKP-21627-M HK45 +5 E2 Magazine Extension Kit
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    HK45 +5 E2 Magazine Extension Kit

    HKP HK Parts

    Now: $51.96
    Was: $64.95
    HKP HK45 +5 E2 Magazine Extension Kit Our HK45 E2 design boldly transforms our magazine extension, giving it an aggressive look along with superior functionality. The enhanced features throughout the extension provide not only the striking appearance we...
    Now: $51.96
    Was: $64.95
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  • On Sale
    New - H&K HK21/FMP Drum Hanger & 100rd Drum - HKP-21509 HK21, FMP Drum Hanger & 100rd Drum
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    HK21, FMP Drum Hanger & 100rd Drum

    H&K Heckler & Koch

    Now: $1,160.06
    Was: $1,288.95
    H&K HK21/FMP Drum Hanger & 100rd Drum Complete your HK21 or FMP21 build with the incredibly rare original H&K drum hanger and 100-round drum.  These components have long been discontinued and are essential for completing a proper HK21 or...
    Now: $1,160.06
    Was: $1,288.95
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  • On Sale
    New - HK PARTS, H&K 24 Round HK VP9, HK P30 9mm Magazine Complete - Red - HKP-19838
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    HK PARTS, HK 24 Round HK VP9, HK P30 9mm Magazine Complete - Red

    HKP HK Parts / Heckler & Koch

    Now: $80.95
    Was: $89.95
    24 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +7 alloy magazine extension coupled with an HK 17 round factory German magazine adds 7 additional rounds total for a fully assembled 24 round HK VP9/P30 magazine. Ideal for...
    Now: $80.95
    Was: $89.95
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  • On Sale
    New - H&K HK MP5, HK SP5 10 Round Magazine Spring - HKP-19454
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    HK MP5, HK94, SP5 Magazine Spring - 10 Round

    H&K Heckler & Koch

    Now: $6.25
    Was: $6.95
    10 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazines
    Now: $6.25
    Was: $6.95
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  • On Sale
    New - H&K 10 Round HK USPC 9mm Flat Magazine Floor Plate - Black - HKP-01195 HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Flat
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    HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Flat

    H&K Heckler & Koch

    Now: $53.96
    Was: $59.95
    H&K 10 Round HK USPC 9mm Flat Magazine Floor Plate Compatible With: HK USP Compact 9mm 10 round magazines HK P2000 9mm 10 round magazines
    Now: $53.96
    Was: $59.95
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  • Out Of Stock
    On Sale
    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

    Now: $9.86
    Was: $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...
    Now: $9.86
    Was: $10.95
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