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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  • HK45 Compact, HK USP45 Compact Magazine - Complete - 18 Round HK45 Compact, HK USP45 Compact Magazine - Complete - 18 Round
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    HK45 Compact, HK USP45 Compact Magazine - Complete - 18 Round

    HKP HK Parts / Heckler & Koch

    $89.95
    Heckler and Koch, HKP 18 Round Magazine for HK45 Compact, HK USP45 Compact Complete 18-round magazine assembled using a factory Heckler and Koch magazine body combined with an HKP magazine extension. This configuration increases capacity while...
    HKP-22520
    $89.95
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    Qty in Cart: 0
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    $89.95
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  • HK21 Cylinder Head Screw - Belt Inlet
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    HK21 Cylinder Head Screw - Belt Inlet

    H&K Heckler & Koch

    $5.95
    HK21 Cylinder Head Screw - Belt Inlet Replacement cylinder head screw for the HK21 belt inlet assembly, manufactured to original specifications. Ensures proper fit, secure retention, and reliable feeding operation. Compatible With: HK21 THIS CLOSEOUT...
    HKP-99412
    $5.95
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    Qty in Cart: 0
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    $5.95
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  • On Sale
    Glock 17 Magazine Extension Kit - 9mm  - +6 Round - Blue - BLEMISHED Glock 17 Magazine Extension Kit - 9mm  - +6 Round - Blue - BLEMISHED
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    Glock 17 Magazine Extension Kit - 9mm - +6 Round - Blue - BLEMISHED

    HKP HK Parts

    Now: $18.95
    Was: $34.95
    HKP Glock 17 - +6 Round 9mm Magazine Extension Kit - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Designed to fit all of the Glock 17 models...
    HKP-18348-BU-B
    Now: $18.95
    Was: $34.95
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    Now: $18.95
    Was: $34.95
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  • On Sale
    HK33, HK93, HK51, HK91, G3 Paddle Mag Release - Standard - BLEMISHED HK33, HK93, HK51, HK91, G3 Paddle Mag Release - Standard - BLEMISHED
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    HK33, HK93, HK51, HK91, G3 Paddle Mag Release - Standard - BLEMISHED

    H&K Heckler & Koch

    Now: $4.95
    Was: $8.95
    HK33, HK93, HK51, HK91, G3 Paddle Mag Release - Standard - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This item...
    HKP-01851-B
    Now: $4.95
    Was: $8.95
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    Qty in Cart: 0
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    Now: $4.95
    Was: $8.95
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  • HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE
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    HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE

    H&K Heckler & Koch

    $389.95
    Heckler and Koch HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE ONLY 1 UNIT AVAILABLE Factory-original HK steel magazine for the HK93, HK53, and HK33 rifles. The rare 25-round configuration, combined with the LEO marking, makes this...
    HKP-99382
    $389.95
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    $389.95
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  • On Sale
    HK USP Compact Lockout Device - Complete HK USP Compact Lockout Device - Complete
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    HK USP Compact Lockout Device - Complete

    H&K Heckler & Koch

    Now: $19.95
    Was: $24.95
    HK USP Compact Lockout Device - Complete 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...
    HKP-99360
    Now: $19.95
    Was: $24.95
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    Now: $19.95
    Was: $24.95
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  • On Sale
    New - TPM Glock 9mm +3 Magazine Extension - HKP-21136-M Glock 9mm +3 Magazine Extension - Black - BLEMISHED
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    Glock 9mm +3 Magazine Extension - Black - BLEMISHED

    Tactical Precision MFG

    Now: $15.95
    Was: $39.95
    Glock 9mm +3 Magazine Extension - Black - BLEMISHED INSTALLATION MARKS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This extension is made from machined 6061...
    HKP-21136-BL-B
    Now: $15.95
    Was: $39.95
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    Now: $15.95
    Was: $39.95
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  • On Sale
    New - HKP HK21 Drum Hanger - HKP-21453 HK21 Drum Hanger - BLEMISHED
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    HK21 Drum Hanger - BLEMISHED

    HKP HK Parts

    Now: $184.95
    Was: $279.95
    HK21 Drum Hanger - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50...
    HKP-21453-B
    Now: $184.95
    Was: $279.95
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    Qty in Cart: 0
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    Now: $184.95
    Was: $279.95
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  • HK91, G3 Magazine - 15 Round - Alloy HK91, G3 Magazine - 15 Round - Alloy
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    HK91, G3 Magazine - 15 Round - Alloy

    H&K Heckler & Koch

    $44.95
    Heckler and Koch HK91, G3, MSG90 15-Round Alloy Magazine Manufactured by Heckler & Koch and converted to 15-round capacity in the United States using a U.S.-made floorplate. Counts as one U.S.-made part for 922r compliance. Compatible With: HK91,...
    HKP-22427
    $44.95
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    Qty in Cart: 0
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    $44.95
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  • On Sale
    FN-FNS .40 S&W Pistol Magazine - BLEMISHED FN HKP-19741-B
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    FN-FNS .40 S&W Pistol Magazine - BLEMISHED

    FN

    Now: $49.95
    Was: $79.95
    FN-FNS .40 S&W Pistol Magazine - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED MAGAZINE ONLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each magazine was...
    HKP-19741-B
    Now: $49.95
    Was: $79.95
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    Now: $49.95
    Was: $79.95
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  • On Sale
    New - H&K 4 Round HK 630/SL6 Magazine - Black - BLEMISHED - HKP-18205-B H&K 4 Round HK 630/SL6 Magazine - Black - BLEMISHED H&K Heckler & Koch HKP-18205-B
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    HK 4 Round HK 630/SL6 Magazine - Black - BLEMISHED

    H&K Heckler & Koch

    Now: $259.95
    Was: $359.95
    H&K 4 Round HK 630/SL6 Magazine - Black - BLEMISHED ONLY 2 UNITS AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is a...
    HKP-18205-B
    Now: $259.95
    Was: $359.95
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    Qty in Cart: 0
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    Now: $259.95
    Was: $359.95
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  • HK CC9 Magazine Body - 9mm - 10 Round HK CC9 Magazine Body - 9mm - 10 Round
    Add to Cart

    HK CC9 Magazine Body - 9mm - 10 Round

    H&K Heckler & Koch

    $5.95
    Heckler and Koch 10-Round Magazine Body for HK CC9 OEM 10-round magazine body for the HK CC9, made in Germany by Heckler and Koch and ideal as a factory-spec replacement. Compatible With: CC9
    HKP-22152
    $5.95
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    Qty in Cart: 0
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    $5.95
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