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 10 Round HK USP 9mm Magazine Locking Plate - HKP-01597
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    HK USP Magazine Locking Plate - 9mm - 10 Round

    H&K Heckler & Koch

    $5.95
    Heckler and Koch Magazine Locking Plate For USP 9mm Full Size Magazines Replacement magazine locking plate designed for USP 9mm full size magazines. Intended for maintenance or repair of compatible 10-round magazine assemblies. Compatible With: USP9 10...
    HKP-01597
    $5.95
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    Qty in Cart: 0
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    $5.95
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  • Out Of Stock
    New - H&K 91/G3 (7.62x51/.308) Magazine Loader - HKP-00221 HK91, G3 Magazine Loader

    HK91, G3 Magazine Loader

    H&K Heckler & Koch

    $0.00
    HK Factory Loader for HK 91/G3 Magazines   Compatible With: HK 91 magazines HK G3 magazines PTR-91 Magazines HK PSG1 magazines HK MSG-90 magazines HK 90 series 308 magazines
    HKP-00221
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • Out Of Stock
    New - H&K MP5 40/10 Magazine Floor Plate - HKP-01269 HK MP5 Magazine Floorplate - .40 S&W, 10mm

    HK MP5 Magazine Floorplate - .40 S&W, 10mm

    H&K Heckler & Koch

    $14.95
    H&K Heckler and Koch New HK German Magazine Floor Plate HK MP5 40,10
    HKP-01269
    $14.95
    Out Of Stock
    Qty in Cart: 0
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    $14.95
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  • On Sale
    HK MP5, MP5K, SP89 MP5 Magazine - 9mm - 30 Round - Turkish - BLEMISHED HKP HK MP5 30 Round 9mm Magazine HKP HK Parts HKP-22274
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    HK MP5, MP5K, SP89 MP5 Magazine - 9mm - 30 Round - Turkish - BLEMISHED

    Other

    Now: $23.95
    Was: $34.95
    HK MP5, MP5K, SP89 MP5 Magazine - 9mm - 30 Round - Turkish - 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. These newly imported...
    HKP-22274-B
    Now: $23.95
    Was: $34.95
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    Qty in Cart: 0
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    Now: $23.95
    Was: $34.95
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  • Out Of Stock
    On Sale
    HK VP9A1 K Magazine - 10 Round - BLEMISHED HK VP9A1 K Magazine - 10 Round - BLEMISHED

    HK VP9A1 K Magazine - 10 Round - BLEMISHED

    H&K Heckler & Koch

    Now: $39.95
    Was: $59.95
    HK VP9A1 K Magazine - 10 Round - 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. Factory 10-round magazine for the VP9A1 K...
    HKP-22301-B
    Now: $39.95
    Was: $59.95
    Out Of Stock
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    Now: $39.95
    Was: $59.95
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    Out Of Stock
  • On Sale
    HK CC9 Magazine Spring - 10 Round HK CC9 Magazine Spring - 10 Round
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    HK CC9 Magazine Spring - 10 Round

    H&K Heckler & Koch

    Now: $4.95
    Was: $5.95
    Heckler and Koch 10-Round Magazine Spring for HK CC9 Genuine 10-round HK CC9 magazine spring, made from steel for reliable feeding and long service life. Compatible With: CC9
    HKP-22151
    Now: $4.95
    Was: $5.95
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    Qty in Cart: 0
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    Now: $4.95
    Was: $5.95
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  • On Sale
    New - HKP HK USP/T 9mm +7 Magazine Extension - BLEMISHED - HKP-21841-BL-B HK USP/T 9mm +7 Magazine Extension - BLEMISHED
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    HK USP/T 9mm +7 Magazine Extension - BLEMISHED

    HKP HK Parts

    Now: $48.95
    Was: $69.95
    HKP HK USP/T 9mm +7 Magazine Extension - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Easy to install. Simply add the mag extension to your existing...
    HKP-21841-BL-B
    Now: $48.95
    Was: $69.95
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    Now: $48.95
    Was: $69.95
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  • On Sale
    New - HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest - Red - BLEMISHED - HKP-21076-RE-B HK VP9SK, P30SK Magazine Extension - Pinky Rest - +2 - Red - BLEMISHED
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    HK VP9SK, P30SK Magazine Extension - Pinky Rest - +2 - Red - BLEMISHED

    HKP HK Parts

    Now: $14.95
    Was: $24.95
    HKP +2 HK VP9SK/P30SK Magazine Extension w/ Pinky Rest - 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. The mag extension also provides a pinky...
    HKP-21076-RE-B
    Now: $14.95
    Was: $24.95
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    Qty in Cart: 0
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    Now: $14.95
    Was: $24.95
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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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    Qty in Cart: 0
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    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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    Qty in Cart: 0
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    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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    Qty in Cart: 0
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    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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    Qty in Cart: 0
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    Now: $9.95
    Was: $18.95
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