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 - Case of 55 Turkish Contract 30 Round MP5 Magazine - HKP-21889 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Turkish Contract - Seconds - Case of 55
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Turkish Contract - Seconds - Case of 55

    Now: $1,096.95
    Was: $1,482.25
    55 Count Case of Turkish Contract 30 Round MP5 Magazine These Turkish military contract 30 round MP5 magazines are leftover "seconds" that HKP recently imported directly from Turkey.  The magazines were manufactured by a Turkish contractor similar...
    HKP-21889
    Now: $1,096.95
    Was: $1,482.25
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    Now: $1,096.95
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  • New - H&K 10 Round HK Mark 23 Standard Floor Plate - Black - HKP-01440 HK Mark 23 Magazine Floorplate - .45 ACP - 10 Round - Standard
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    HK Mark 23 Magazine Floorplate - .45 ACP - 10 Round - Standard

    H&K Heckler & Koch

    $24.95
    HK Mark 23 10 Round Magazine Floor Plate Great item to have on hand as these are prone to breakage and wear. Compatible With: HK Mark 23 10-round mag
    HKP-01440
    $24.95
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  • New - B&T HK MR556/MR762/416/417 Brass Catcher - HKP-16899 HK416, MR556, HK417, MR762 Brass Catcher
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    HK416, MR556, HK417, MR762 Brass Catcher

    B&T Brugger & Thomet

    $289.95
    B&T Picatinny Rail-Mount Brass Catcher This B&T brass catcher is quick and easy to install on to your factory picatinny mount equipped handguard.  If your handguard does not have a picatinny rail to mount the brass catcher, you can simply...
    HKP-16899
    $289.95
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  • New - HK UMP .45 Magazine Locking Plate - HKP-20136 HK UMP Magazine Locking Plate - .45 ACP - US
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    HK UMP Magazine Locking Plate - .45 ACP - US

    USA

    $6.95
    HK UMP .45 Magazine Locking Plate   Made in the USA
    HKP-20136
    $6.95
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  • New - H&K USC (.45 ACP) 10 Round Factory Magazine Spring - HKP-15284 HK USC Magazine Spring
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    HK USC Magazine Spring

    H&K Heckler & Koch

    $8.95
    H&K USC (.45 ACP) 10 Round Factory Magazine Spring Compatible With: HK USC 10 Round magazines
    HKP-15284
    $8.95
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  • New - HKP 15 Round HK45 E2 Magazine - HKP-21803-M HKP 15 Round HK45 E2 Magazine
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    HKP 15 Round HK45 E2 Magazine

    HKP HK Parts

    $113.95
    HKP - 15 Round HK45 E2 Magazine  HK45 & HK45 Tactical +5 magazine extension. Paired with a new HK German 10 round HK45 magazine for a total capacity of 15 rounds. Ideal for competition shooters that would like a higher magazine capacity...
    HKP-21803-M
    $113.95
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    $113.95
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  • 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

    $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...
    HKP-21627-M
    $64.95
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  • Out Of Stock
    Used - H&K HK UMP .40 - 30 Round Magazine - Used - HKP-20816 HK UMP .40 - 30 Round Magazine - Used

    HK UMP .40 - 30 Round Magazine - Used

    H&K Heckler & Koch

    $49.95
    30 Round Magazine – Used – UMP .40 S/W This magazine will fit all HK UMP .40 caliber UMP’s as well as the USC-UMP .40 caliber conversions. Used factory HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40
    HKP-20816
    $49.95
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    $49.95
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  • Out Of Stock
    Used - KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204 Used - KDG HK MR762, HK 417, HK G28 Ambidextrous Magazine Release - Black - HKP-19204

    HK417, MR762, G28 Magazine Release - Ambidextrous

    KDG Kinetic Development Group

    $169.95
    Magazine Release - Ambi - HK MR762, 417, G28 The HK 762 Ambi (Ambidextrous) Magazine Release. This is the first ambidextrous magazine release for the HK 417 variant rifles.  The mag release is a lever instead of a button; where the release has been...
    HKP-19204
    $169.95
    Out Of Stock
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    $169.95
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  • New - HKP/H&K 20 Round HKVP9SK/P30SK 9mm Magazine Complete - Red - HKP-19966 HKP/HK 20 Round HK VP9SK/P30SK 9mm Magazine Complete - Red
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    HKP/HK 20 Round HK VP9SK/P30SK 9mm Magazine Complete - Red

    $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...
    HKP-19966
    $89.95
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  • New - Brass Catcher For HK .308/762, 223/556 Rifles - HKP-00846 HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223
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    HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223

    E&L MFG

    $79.95
    E&L Mfg. HK91/G3 Brass Catcher - .308/762, 223/5.56 Rifles Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and are made from strong, lightweight, black textured plastic. Each holds a...
    HKP-00846
    $79.95
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  • New - H&K VP9SK/P30SK Magazine Extension Locking Floorplate - HKP-21993 HK VP9SK, P30SK Magazine Floorplate Extension - Locking
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    HK VP9SK, P30SK Magazine Floorplate Extension - Locking

    H&K Heckler & Koch

    $23.00
    H&K VP9SK/P30SK Magazine Extension Locking Floorplate Secures the extension to the magazine body on P30SK and VP9SK magazine extensions. Compatible With: HK VP9SK/P30SK
    HKP-21993
    $23.00
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    $23.00
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