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 - H&K 10 Round HK USP .40 S&W Full Size Standard Magzine Floor Plate - Black - HKP-01439 HK USP Full Size Magazine Floorplate - .40 S&W - 10 Round - Standard
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    HK USP Full Size Magazine Floorplate - .40 S&W - 10 Round - Standard

    H&K Heckler & Koch

    Now: $7.95
    Was: $8.95
    10 Round HK USP .40 S&W Full Size Standard Magzine Floor Plate Compatible With: HK USP 40 Full Size S&W 10 Round Magazine
    HKP-01439
    Now: $7.95
    Was: $8.95
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  • On Sale
    New - H&K 5 Round HK USC .45 ACP Magazine - Black - HKP-20041 HK USC Magazine - 5 Round - .45 ACP
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    HK USC Magazine - 5 Round - .45 ACP

    H&K Heckler & Koch

    Now: $52.95
    Was: $57.95
    HK Heckler and Koch 5 Round .45 ACP Magazine for HK USC  This is the only magazine that HK offers for the HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible With: All HK USC carbines
    HKP-20041
    Now: $52.95
    Was: $57.95
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  • On Sale
    New - H&K HK Mark 23 Lockout Device Set - HKP-01547
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    HK Mark 23 Lockout Device Set

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    HK Mark 23/SOCOM Lockout Device Set Includes: Lockout key Lockout device
    HKP-01547
    Now: $26.95
    Was: $29.95
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  • On Sale
    New - H&K HK USPC Lockout Device - HKP-01500 HK USP Compact Lockout Device
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    HK USP Compact Lockout Device

    H&K Heckler & Koch

    Now: $9.95
    Was: $18.95
    HK USPC Lockout Device Easily installs to lock out the magazine. Used to comply with certain state laws and as an added safety feature. This lockout device can be retrofitted to older-style USPC's that do not have the lockout device installed. Compatible...
    HKP-01500
    Now: $9.95
    Was: $18.95
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  • On Sale
    HK91, G3 Magazine - 20 Round - LEO Laser Marked - Parkerized - BLEMISHED HK91, G3 Magazine - 20 Round - LEO Laser Marked - Parkerized - BLEMISHED
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    HK91, G3 Magazine - 20 Round - LEO Laser Marked - Parkerized - BLEMISHED

    H&K Heckler & Koch

    Now: $41.95
    Was: $59.95
    Heckler and Koch 20 Round Rare LEO Laser Marked Steel Magazine for HK91 and HK G3 BLEMISHED  ONLY 1 UNIT AVAILABLE - AS PICTURED POOR AND UNFINISHED LASER MARKING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...
    HKP-19333-B
    Now: $41.95
    Was: $59.95
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  • On Sale
    New - HKP HK MR762 & HK 417 Rear Sight Drum - HKP-17776 HK417, MR762 Rear Sight Drum
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    HK417, MR762 Rear Sight Drum

    HKP HK Parts

    Now: $25.95
    Was: $29.95
    HKP HK MR762 & HK 417 Rear Sight Drum Made in the USA.
    HKP-17776
    Now: $25.95
    Was: $29.95
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    Now: $25.95
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  • HK21E Cylinder Head Screw - Belt Feed Mechanism - RARE
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    HK21E Cylinder Head Screw - Belt Feed Mechanism - RARE

    H&K Heckler & Koch

    $18.95
    HK21E Cylinder Head Screw - Belt Feed Mechanism - RARE  Replacement cylinder head screw for the HK21E belt feed mechanism, manufactured to original specifications. Ensures proper fit, secure retention, and reliable feeding operation.  A rare,...
    HKP-99412
    $18.95
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    $18.95
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  • Out Of Stock
    On Sale
    New - HKP HK USP .45/Mark 23 Magazine Extension Kit +7 - Red - BLEMISHED - HKP-21513-RE-B HK USP, Mark 23 Magazine Extension Kit - .45 - +7 - Red - BLEMISHED

    HK USP, Mark 23 Magazine Extension Kit - .45 - +7 - Red - BLEMISHED

    HKP HK Parts

    Now: $39.95
    Was: $59.95
    HKP HK USP .45/MK23 - Magazine Extension Kit +7 - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This listing is for the magazine extension...
    HKP-21513-RE-B
    Now: $39.95
    Was: $59.95
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  • Out Of Stock
    New - MKE 30 Round AP53 Magazine - HKP-22088 Century Arms AP53 Magazine - 30 Round

    Century Arms AP53 Magazine - 30 Round

    MKE

    $54.95
    MKE 30 Round Magazine - Steel The MKE 30-Round Steel Magazine is a rugged, corrosion-resistant mag designed for the MKE 5.56 AP53 platform. Compatible With: Century Arms AP53 HK53 In-spec. clones and custom builds
    HKP-22088
    $54.95
    Out Of Stock
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    $54.95
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  • On Sale
    Refurbished - HK G3/91 (7.62x51/.308) 15 Round Steel Magazine - Refinished - HKP-21922 HK91, G3 Magazine - 15 Round - Steel - Refinished
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    HK91, G3 Magazine - 15 Round - Steel - Refinished

    H&K Heckler & Koch

    Now: $76.95
    Was: $84.95
    HK Heckler and Koch 15 Round Steel Magazine - Refinished for HK G3 and HK91 (7.62x51/.308) HK G3 factory steel 15-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished...
    HKP-21922
    Now: $76.95
    Was: $84.95
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  • On Sale
    New - H&K HK P7M13 Magazine Follower - Black - BLEMISHED - HKP-02364-B
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    HK P7M13 Magazine Follower - Black - BLEMISHED

    H&K Heckler & Koch

    Now: $22.95
    Was: $49.95
    H&K HK P7M13 Magazine Follower - Black - BLEMISHED ONLY 2 UNITS AVAILABLE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. All steel construction, brand new...
    HKP-02364-B
    Now: $22.95
    Was: $49.95
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  • On Sale
    New - HKP HK P2000 +7 Magazine Extension Kit - HKP-21527-M HK P2000 Magazine Extension Kit - +7
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    HK P2000 Magazine Extension Kit - +7

    HKP HK Parts

    Now: $51.95
    Was: $64.99
    HKP HK P2000 +7 Magazine Extension Kit  This listing is for the magazine extension ONLY.  This is not a complete magazine.  The referenced magazine capacity is the total capacity once the extension...
    HKP-21527-M
    Now: $51.95
    Was: $64.99
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    Was: $64.99
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