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 - HKP HK MP5 (.40 S&W) Locking Roller -2 - HKP-17563
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    HKP HK MP5 (.40 S&W) Locking Roller -2

    HKP HK Parts

    Now: $9.56
    Was: $11.95
    HK US MP540 Undersized Locking Roller, -2 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...
    Now: $9.56
    Was: $11.95
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  • On Sale
    New - HKP HK MP5 (.40 S&W) Locking Roller +6 - HKP-17565
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    HKP HK MP5 (.40 S&W) Locking Roller +6

    HKP HK Parts

    Now: $9.56
    Was: $11.95
    HK US MP540  Locking Roller, +6 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to...
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    Was: $11.95
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  • On Sale
    New - H&K Extended Selector Lever - Burst 3 Position - HKP-16973 HK Extended Selector Lever - Burst 3 Position
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    HK Extended Selector Lever - Burst 3 Position

    H&K Heckler & Koch

    Now: $85.45
    Was: $94.95
    H&K Extended Selector Lever - Burst 3 Position New HK ambidextrous left side EXTENDED (ESSL) 0,1,2 or 0,1,3 only burst selector lever for ambidextrous trigger packs or trigger groups. Will not fit SEF style trigger packs.
    Now: $85.45
    Was: $94.95
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  • On Sale
    New - MKE Trigger Pack Ejector Lever Axle - HKP-22241 MKE Trigger Pack Ejector Lever Axle MKE HKP-22241
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    HK90 Series Ejector Lever Axle for SEF, Navy, and Burst Trigger Packs

    MKE

    Now: $10.10
    Was: $17.95
    MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling.  Fits all of the following 90 series trigger packs: SEF, O,1 Navy Burst
    Now: $10.10
    Was: $17.95
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  • On Sale
    New - HKP HK MP5 SD Handguard Conversion - M-LOK - HKP-22200 HK MP5 SD Handguard Conversion - M-LOK
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    HK MP5 SD Handguard Conversion - M-LOK

    HKP HK Parts

    Now: $227.47
    Was: $324.95
    HKP HK MP5 SD Handguard Conversion - M-LOK Transform your standard MP5 into the classic SD-style with the HKP MP5 SD handguard conversion. This drop-in handguard is designed solely for aesthetics, providing your MP5 with the distinctive suppressed SD...
    Now: $227.47
    Was: $324.95
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    Was: $324.95
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  • On Sale
    New - H&K Hammer and Pressure Shank Pin - 90 Series - HKP-21854
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    HK Hammer and Pressure Shank Pin - 90 Series

    H&K Heckler & Koch

    Now: $3.56
    Was: $3.95
    H&K Hammer and Pressure Shank Pin - 90 Series For pinned-style hammer and shanks, this pin securely holds the two components together. This original H&K production part has never been installed. Made from correct German-spec steel to meet exact...
    Now: $3.56
    Was: $3.95
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  • Out Of Stock
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    New - B&T Aimpoint ACRO / NANO 30mm QD Mount - HKP-21742 Picatinny Optic Mount - 30mm - Aimpoint ACRO / NANO

    Picatinny Optic Mount - 30mm - Aimpoint ACRO / NANO

    B&T Brugger & Thomet

    Now: $88.20
    Was: $98.00
    B&T Aimpoint ACRO / NANO 30mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail.  Keep your optic profile compact with this Swiss made mount. Compatible With: Any firearm featuring...
    Now: $88.20
    Was: $98.00
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    Was: $98.00
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  • On Sale
    New - Aimpoint ACRO / NANO 22mm Picatinny QD Mount - HKP-21728 Picatinny Optic Mount - Low Profile - ACRO, NANO
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    Picatinny Optic Mount - Low Profile - ACRO, NANO

    B&T Brugger & Thomet

    Now: $103.50
    Was: $115.00
    B&T Brugger and Thomet Aimpoint ACRO / NANO 22mm Low Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail.  Keep your optic profile compact with this Swiss made mount. Compatible...
    Now: $103.50
    Was: $115.00
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  • On Sale
    New - H&K Elbow Spring Spacer For Full-Auto - USED - HKP-03330-USED HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
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    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED

    H&K Heckler & Koch

    Now: $2.96
    Was: $5.95
    HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED   USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN.  Features: Precision-machined elbow spring and roller used in traditional roller-delayed...
    Now: $2.96
    Was: $5.95
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  • Out Of Stock
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    New - JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black - HKP-21242-BL Picatinny 9" Stock with 1913 Folding Mech

    Picatinny 9" Stock with 1913 Folding Mech

    JMAC Customs

    Now: $278.91
    Was: $309.90
    JMAC Universal Picatinny 9" Stock with 1913 Folding Mech Feautures: NEW Integrated Rubber Buttpad!! 2x Integrated QD Sling Socket 9" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...
    Now: $278.91
    Was: $309.90
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    Was: $309.90
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  • Used - H&K 30 Round HK MP5 40/10 Magazine - Gray - Used - HKP-01726 HK 30 Round HK MP5 40/10 Magazine - Gray - Used
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    HK 30 Round HK MP5 40/10 Magazine - Gray - Used

    H&K Heckler & Koch

    $159.95
    30 Round HK MP5 40/10 Magazine - Gray - USED These magazines are no longer available and we have just a few remaining units.  Once they are gone, they are gone for good. These magazines are USED and are not eligible for return.  Please...
    $159.95
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  • Out Of Stock
    On Sale
    New - JMAC Customs BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter - HKP-20521 Blast Diversion Shield - BDS-37 - Bravo with HD 3-Lug Adapter

    Blast Diversion Shield - BDS-37 - Bravo with HD 3-Lug Adapter

    JMAC Customs

    Now: $206.95
    Was: $229.95
    JMAC Customs BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter The YHM-2050 HD (heavy duty) 3-Lug Adapter is a quick-attach mounting option designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully...
    Now: $206.95
    Was: $229.95
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    Now: $206.95
    Was: $229.95
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