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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  • Used - H&K 90 Series F/A Trigger Box - SEF- USED - HKP-22156 HK90 Series Trigger Box - Full Auto SEF- USED
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    HK90 Series Trigger Box - Full Auto SEF- USED

    H&K Heckler & Koch

    $89.95
    H&K 90 Series F/A Trigger Box - SEF- USED UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine H&K full-auto trigger box for 90 series firearms. Controls fire selector function and houses fire control component. Fits all...
    HKP-22156
    $89.95
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  • On Sale
    Used - HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special - HKP-99103 HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special || HKP-99103 || HKPARTS
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    HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special

    USA

    Now: $19.95
    Was: $59.95
    HK MP5 Length Project SF Trigger Housing - USED SURPLUS - Gunsmith Special MP5 length trigger housing perfect for projects or custom builds, each marked with the SE pictogram. The condition will vary from part-to-part vs. the pictured unit. Please Note:...
    HKP-99103
    Now: $19.95
    Was: $59.95
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  • On Sale
    New - HK MP5SD Cocking Tube - Gunsmith Special - HKP-99059 HK MP5SD Cocking Tube - Gunsmith Special
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    HK MP5SD Cocking Tube - Gunsmith Special

    USA

    Now: $29.95
    Was: $74.95
    HK MP5SD Cocking Tube - Gunsmith Special  The MP5SD cocking tube is a crucial part of the firearm's operating system, designed to house the cocking handle assembly. This unit has been de-milled to allow clearance for the integrated suppressor...
    HKP-99059
    Now: $29.95
    Was: $74.95
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    Now: $29.95
    Was: $74.95
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  • New - HKP HK MP5K Optic Scope Rail - HKP-21852 HK MP5K Optic Mount
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    HK MP5K Optic Mount

    HKP HK Parts

    $97.95
    HKP HK MP5K Optic Scope Rail The HKP optic scope rail is designed to be welded to the top of the receiver to provide a secure Picatinny optic mount for your MP5K.  Includes sight mount to retain the factory rear diopter sight. Compatible With: HK...
    HKP-21852
    $97.95
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  • Out Of Stock
    New - B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series - HKP-21771 Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series

    Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series

    B&T Brugger & Thomet

    $150.00
    B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...
    HKP-21771
    $150.00
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    $150.00
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  • Out Of Stock
    New - B&T HK MP5/SP5 Tail Hook Adapter - HKP-21763 HK MP5, SP5 Adapter - Tail Hook

    HK MP5, SP5 Adapter - Tail Hook

    B&T Brugger & Thomet

    $135.00
    B&T Tail Hook Adapter MP5/SP5 (Including K)   Compatible With: HK MP5/MP5K HK SP5/SP5K  
    HKP-21763
    $135.00
    Out Of Stock
    Qty in Cart: 0
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    $135.00
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  • New - H&K MP5K 9mm Complete Bolt Group - Suppressed - HKP-21613 New - H&K MP5K 9mm Complete Bolt Group - Suppressed - HKP-21613
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    HK MP5K Bolt Group - Complete - 9mm - Suppressed

    H&K Heckler & Koch

    $2,259.95
    Heckler and Koch MP5K 9mm Complete Bolt Group - Suppressed Complete factory German MP5K full-auto bolt group assembly configured with an 80-degree #28 German locking piece for suppressed use. This drop-in bolt carrier group is built with original German...
    HKP-21613
    $2,259.95
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    $2,259.95
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  • On Sale
    HK MP5, MP5K Optic Mount, Aimpoint ACRO - BLEMISHED
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    HK MP5, MP5K Optic Mount, Aimpoint ACRO - BLEMISHED

    HKP HK Parts

    Now: $71.95
    Was: $98.95
    HKP HK MP5/K Aimpoint ACRO P1 & P2 Sight - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts now brings you one of the...
    HKP-21229-B
    Now: $71.95
    Was: $98.95
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    Now: $71.95
    Was: $98.95
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  • New - Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles - HKP - HKP-20325 HK MP5, MP5K, G3 Night Sights
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    HK MP5, MP5K, G3 Night Sights

    XS Sights

    $159.95
    Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Housed in a metal...
    HKP-20325
    $159.95
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    $159.95
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  • New - Aimpoint Absolute Co-Witness T1 Mount - HKP-19334 Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
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    Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness

    Aimpoint

    $14.95
    Aimpoint - T1 Mount Absolute 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 Micro T-1 MIL-STD...
    HKP-19334
    $14.95
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    $14.95
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  • New - Timney Triggers HK MP5 .40/10 2-Stage Trigger Group Complete - HKP-20514 HK MP5 2-Stage Trigger Group - 10mm / .40 S&W - Complete
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    HK MP5 2-Stage Trigger Group - 10mm / .40 S&W - Complete

    Timney Triggers

    $478.95
    Timney Trigger group for MP5 .40 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand new factory German housing for the best trigger group...
    HKP-20514
    $478.95
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    $478.95
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  • New - JMAC Customs TS-8 w/ 1913 Folding Mech - HKP-20145 Triangle Stock - TS-8 with 1913 Folding Mech
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    Triangle Stock - TS-8 with 1913 Folding Mech

    JMAC Customs

    $284.99
    JMAC Customs TS-8 w/ 1913 Folding Mech Triangle stock 8" with our 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG folding...
    HKP-20145
    $284.99
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    $284.99
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