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 17 Round HK VP9 Magazine Spring - HKP-19323 HK VP9 Magazine Spring - 17 Round
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    HK VP9 Magazine Spring - 17 Round

    H&K Heckler & Koch

    $8.95
    Magazine Spring for 17 Round Magazine - HK VP9, VP9L, VP9 OR This magazine spring fits the VP9 17 round magazines.  A must-have replacement item as magazine springs should be replaced on a regular basis as this is a consumable part and is prone to...
    HKP-19323
    $8.95
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  • New - H&K 10 Round HK USPC/P2000 9mm Magazine w/ Pinky Rest - HKP-01460-M HK USPC, P2000 Magazine with Pinky Rest - 9mm - 10 Round
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    HK USPC, P2000 Magazine with Pinky Rest - 9mm - 10 Round

    H&K Heckler & Koch

    $59.95
    USP Compact & P2000 9mm Magazine – Complete (10-Round with Extended Floor Plate) Brand new HK German manufactured. Meets the requirements of areas with high capacity 10-round magazine restrictions. Compatible With: HK USP Compact 9mm HK P2000...
    HKP-01460-M
    $59.95
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  • HK CC9 Complete Magazine - 15 Round - 9mm HK CC9 Complete Magazine - 15 Round - 9mm
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    HK CC9 Complete Magazine - 15 Round - 9mm

    HKP HK Parts

    $79.95
    HKP HK Parts - HK CC9 Complete Magazine - 15 Round - 9mm This fully assembled 15-round magazine for the CC9 combines a factory German 12-round magazine with the HK Parts +3 magazine extension. Compatible With: HK CC9
    HKP-22038-M
    $79.95
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  • New - H&K UMP (.45 ACP) 25 Round Magazine - HKP-00605 HK UMP Magazine - 25 Round - .45 ACP
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    HK UMP Magazine - 25 Round - .45 ACP

    H&K Heckler & Koch

    $145.95
    New HK Heckler and Koch Non-LE, Mil Marked .45 ACP 25 Round Magazine for HK UMP The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible With: HK UMP .45 HK USC to UMP . 45...
    HKP-00605
    $145.95
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  • New - H&K MP5/MP5K/SP5K 10 Round Magazine - HKP-17872 H&K MP5/MP5K/SP5K 10 Round Magazine H&K Heckler & Koch HKP-17872
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    HK MP5, HK94, SP89, SP5K Magazine - 9mm - 10 Round

    H&K Heckler & Koch

    $89.95
    H&K MP5/MP5K/SP5K 10 Round Magazine: Heckler & Koch factory fresh magazine from this current year's production. Mags hold 10 rounds only so this is ideal for restricted states or for those that want the mag to have a low profile. Compatible With:...
    HKP-17872
    $89.95
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  • New - H&K HK 30 Round 556/416 Magazine - Maritime - HKP-21169-M HK416, MR556 Magazine - 30 Round - Maritime
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    HK416, MR556 Magazine - 30 Round - Maritime

    H&K Heckler & Koch

    $94.95
    Heckler and Koch HK416, MR556 30 Round Maritime Magazine - Multiple Color Options Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon, the Heckler & Koch 30-round Steel Magazine can be used in any...
    HKP-21169-M
    $94.95
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  • New - HKP +4 HK 45C, USPC .45 ACP Magazine Extension - HKP-18654-M HK45C, USPC Magazine Extension - +4
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    HK45C, USPC Magazine Extension - +4

    HKP HK Parts

    $49.95 - $54.95
    HKP HK Parts +4 Round .45 ACP Magazine Extension for the Compact HK45 and HK USP HK Parts magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit can then be fully assembled into a 12 round HK45C magazine. Ideal for...
    HKP-18654-M
    $49.95 - $54.95
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  • New - H&K 12 Round HK USP .45 ACP Standard Magazine Floor Plate - HKP-01198 HK USP Magazine Floorplate - .45 ACP - 12 Round - Standard
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    HK USP Magazine Floorplate - .45 ACP - 12 Round - Standard

    H&K Heckler & Koch

    $18.95
    H&K 12 Round HK USP .45 ACP Standard Magazine Floor Plate New factory fresh production. Perfect for concealed carry or for those that prefer a lower profile footprint. Compatible With: USP .45 Full Size - 12 round USP .45 Tactical - 12 round USP .45...
    HKP-01198
    $18.95
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  • New - H&K 15 Round HK VP9A1 K Magazine - HKP-21650-M HK VP9K Magazine - 15 Round
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    HK VP9K Magazine - 15 Round

    H&K Heckler & Koch

    $54.95
    H&K 15 Round HK VP9A1 K Magazine Made from premium stainless steel and equipped with a red, anti-tilt polymer follower for easy identification, these 15-round magazines offer exceptional strength and dependability. The numbered witness holes on the...
    HKP-21650-M
    $54.95
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  • HK VP9, P30 Magazine Extension - +3 New - HKP +3 HK VP9/P30 Magazine Extension - Black - HKP-17649
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    HK VP9, P30 Magazine Extension - +3

    HKP HK Parts

    $34.95
    HKP HK Parts +3 Magazine Extension for HK VP9 and HK P30   HK Parts magazine extension adds 3 additional rounds to the magazine with the simple swap of the floorplate for the extension. This is an easy 2 min swap, no gunsmithing needed. Made in the...
    HKP-17649-M
    $34.95
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  • New - H&K HK USPC/45/45C Magazine Floor Plate - Black - HKP-01123 HK45, HK45C, USPC Magazine Floorplate - .45 ACP
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    HK45, HK45C, USPC Magazine Floorplate - .45 ACP

    H&K Heckler & Koch

    $23.95
    H&K HK USPC/45/45C Magazine Floor Plate Ideal for use for concealed carry or a lower profile on the magazine footprint. New HK German manufacture. Compatible With: HK USP Compact .45 HK USP Compact Tactical .45 HK45C HK45C Tactical
    HKP-01123
    $23.95
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