MP5 / SP5 Series

MP5 / SP5 Series

Discover the ultimate selection of MP5 and SP5 parts and accessories for your H&K firearms. Whether you're upgrading, building, or maintaining your MP5/SP5, we offer premium H&K components like handguards, barrels, magazines, and bolt carrier groups. Shop HK Parts for unmatched reliability and performance for all your MP5/SP5 needs.

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  • On Sale
    New - Aimpoint Lower 1/3 Co-Witness T1 Mount - HKP-19335 Optic Mount - Lower 1/3 Co-Witness - T1
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    Optic Mount - Lower 1/3 Co-Witness - T1

    AIM

    Now: $26.99
    Was: $29.99
    Aimpoint - T1 Mount - Lower 1/3 Co-Witness  Features a machined recoil lug for consistent, repeatable mounting. Features:  6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics
    Now: $26.99
    Was: $29.99
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  • On Sale
    New - RCM MP5 40/10 Extractor - HKP-01969 HK MP5 Extractor - 10mm / .40 S&W
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    HK MP5 Extractor - 10mm / .40 S&W

    RCM

    Now: $31.46
    Was: $34.95
    MP5 40 & 10mm Extractor - US Made This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.
    Now: $31.46
    Was: $34.95
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  • New - HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug - HKP-16402 HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
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    HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug

    HKP HK Parts

    $249.95
    HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest standards and tolerances and...
    $249.95
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  • On Sale
    New - H&K XX Marked 9mm Strutted Hammer - HKP-00148 HK XX Marked 9mm Strutted Hammer
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    HK XX Marked 9mm Strutted Hammer

    H&K Heckler & Koch

    Now: $143.95
    Was: $159.95
    HK XX Marked 9mm Strutted Hammer Compatible With: MP5, 94, SP5 MP5K, SP89, SP5K MP5 40, MP5 10 Clones or other custom builds
    Now: $143.95
    Was: $159.95
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    Was: $159.95
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  • On Sale
    New - B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug - HKP-17956 HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug
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    HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug

    B&T Brugger & Thomet

    Now: $404.95
    Was: $449.95
    B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is manufactured to exact HK factory specifications exclusively for MP5 models. B&T, a trusted partner of H&K...
    Now: $404.95
    Was: $449.95
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    Was: $449.95
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  • On Sale
    MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256 MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256
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    HK MP5, AP5 Front Sight Tower Complete

    MKE

    Now: $32.21
    Was: $54.95
    MKE AP5, MP5 Front Sight Tower Complete The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms...
    Now: $32.21
    Was: $54.95
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  • On Sale
    HK MP5, SP5 ACR Folding Stock w/Adapter HK MP5, SP5 ACR Folding Stock w/Adapter
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    HK MP5, SP5 ACR Folding Stock w/Adapter

    F5 MFG

    Now: $206.95
    Was: $229.95
    HK MP5/SP5 ACR Folding Stock w/Adapter Upgrade your MP5 platform with the F5-ACR Stock.  Precision machined from 6061 billet aluminum for unmatched durability. Built for law enforcement, personal defense, and enthusiasts, this stock is lightweight,...
    Now: $206.95
    Was: $229.95
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    Was: $229.95
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  • On Sale
    New - B&T SchleTek Suppressor Cleaner Evolution 1000ml - HKP-21726
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    SchleTek Suppressor Cleaner Evolution 1000ml

    SchleTek

    Now: $63.00
    Was: $70.00
    SchleTek Suppressor Cleaner Evolution 1000ml Keep your suppressors clean and optimally functioning with SchleTek suppressor cleaner.  
    Now: $63.00
    Was: $70.00
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    Was: $70.00
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  • Out Of Stock
    On Sale
    New - KCI HK MP5 Locking Plate - HKP-21377 HK MP5 Locking Plate

    HK MP5 Locking Plate

    KCI

    Now: $3.14
    Was: $3.49
    KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5
    Now: $3.14
    Was: $3.49
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    Was: $3.49
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  • On Sale
    New - HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger - HKP-20524
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    HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set

    HKP HK Parts

    Now: $1,911.96
    Was: $2,389.95
    HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with all 6 of the needed US made compliance parts to be...
    Now: $1,911.96
    Was: $2,389.95
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  • On Sale
    New - Trijicon RMR/SRO 45° Rail Offset Adapter - HKP-20336 RMR,SRO Adapter - 45° - Rail Offset
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    RMR,SRO Adapter - 45° - Rail Offset

    USA

    Now: $82.31
    Was: $91.45
    Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...
    Now: $82.31
    Was: $91.45
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    Was: $91.45
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  • On Sale
    New - JMAC Customs 360 1/2x28 Facemount KeyMount (KeyMicro) - HKP-20141 HK MP5 Facemount KeyMount (KeyMicro) - 360 1/2x28
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    HK MP5 Facemount KeyMount (KeyMicro) - 360 1/2x28

    JMAC Customs

    Now: $94.45
    Was: $104.95
    JMAC Customs 360 1/2x28 Facemount KeyMount (KeyMicro) With the advancement of suppressor technology and the popularity of the KeyMount mounting system, the 360-28F was designed to allow users to install a KeyMount compatible muzzle device on their...
    Now: $94.45
    Was: $104.95
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