MP5 / SP5 Bolt Carrier Groups

MP5 / SP5 Bolt Carrier Groups

Shop our premium selection of MP5/SP5 bolt carrier groups for smooth, reliable cycling and performance. Built to H&K standards, our bolt carrier groups offer the durability and precision you expect for your MP5/SP5, ensuring your firearm operates flawlessly under any conditions.

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  • New - H&K MP5 40/10 Bolt Hold Torsion Spring - HKP-00455
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    HK MP5 Bolt Hold Torsion Spring - .40 S&W, 10mm

    H&K Heckler & Koch

    $39.95
    H&K Heckler and Koch MP5 40, 10 Bolt Hold Torsion Spring This is the factory spring used to activate the bolt hold-open lever. Great spare and needed part to have on hand.
    HKP-00455
    $39.95
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  • HK MP5, AP5 Firing Pin Spring HK MP5, AP5 Firing Pin Spring
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    HK MP5, AP5 Firing Pin Spring

    MKE

    $4.88
    HK MP5, AP5 Firing Pin Spring The MKE firing pin spring is compatible with all MP5, AP5, AP5-P, MP5K, and .40/10 variants, as well as most in-spec clones. The firing pin is one of the most frequently replaced repair items, making this spring an essential...
    HKP-22485
    $4.88
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  • New - H&K MP5 40/10 Bolt Hold Open Lever - HKP-01471
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    HK MP5 Bolt Catch Lever - .40 S&W, 10mm

    H&K Heckler & Koch

    $74.95
    H&K Heckler & Koch Bolt Hold Open Lever - German HK - New for MP5 40, MP5 10  A great upgrade for the out-of-spec and sub-par quality part found on clone builds. Compatible With: MP5 40 MP5 10mm MP5 .357 Sig MP5 9 X 25 Dillon
    HKP-01471
    $74.95
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  • On Sale
    HK MP5, 90 Series Locking Plate for Rollers HK MP5, 90 Series Locking Plate for Rollers
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    HK MP5, 90 Series Locking Plate for Rollers

    USA

    Now: $3.95
    Was: $8.95
    Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...
    HKP-99399
    Now: $3.95
    Was: $8.95
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  • New - HKP HK MP5 40 Locking Roller +4 - HKP-17562
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    HK MP5 Locking Roller +4 - .40 S&W

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, +4 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...
    HKP-17562
    $11.95
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  • New - HKP MP5 40/10 Bolt Hold Open Axle Rod & Pin Combo - HKP-17405 HK MP5 Axle Rod and Pin, Bolt Hold Open - .40 S&W, 10mm
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    HK MP5 Axle Rod and Pin, Bolt Hold Open - .40 S&W, 10mm

    HKP HK Parts

    $49.95
    HK MP5 40, MP5 10 Bolt Hold Open Axle Rod & Pin Combo Each bolt hold open rod axle includes the 2 pre-drilled holes for the threaded activation screw and the clamping sleeve. This offering includes both the axle rod and the threaded screw for the...
    HKP-17405
    $49.95
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  • On Sale
    New - MKE HK MP5 Recoil Spring - HKP-22239 MKE HK MP5 Recoil Spring MKE HKP-22239
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    HK MP5 Recoil Spring

    MKE

    Now: $7.95
    Was: $10.99
    MKE HK MP5 Recoil Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible With: HK MP5 Century Arms AP5 Clones & custom builds
    HKP-22239
    Now: $7.95
    Was: $10.99
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  • On Sale
    New - HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special - HKP-99117 HK MP5 Locking Piece - 100 Degree - Sold As Is - Gunsmith Special
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    HK MP5 Locking Piece - 100 Degree - Sold As Is - Gunsmith Special

    USA

    Now: $9.95
    Was: $33.95
    HK MP5 100 Degree Locking Piece - Sold As Is - Gunsmith Special This US-made MP5 100 degree locking piece is the correct locking piece for all HK MP5-style forearms. This locking piece has also now become the factory correct locking piece for all HK...
    HKP-99117
    Now: $9.95
    Was: $33.95
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  • New - HKP HK MP5 40 Locking Roller -4 - HKP-17561
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    HK MP5 Locking Roller -4 - .40 S&W

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, -4 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...
    HKP-17561
    $11.95
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  • HK MP5, AP5 Firing Pin HK MP5, AP5 Firing Pin
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    HK MP5, AP5 Firing Pin

    MKE

    $14.95
    MKE HK MP5/AP5 Firing Pin - 9mm MKE firing pin for HK MP5 platforms. Compatible With: HK MP5/SP5 Century Arms AP5/AP5P Zenith ZF-5/ZF-5K PTR 9CT/9KT
    HKP-22243
    $14.95
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  • New - RCM MP5 40/10 High Impulse Locking Piece #25 - HKP-15149
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    HK MP5 Locking Piece #25 - 60 Degree - High Impulse - .40 S&W, 10mm - USA

    RCM

    $44.95
    MP5 40 & MP5 10mm High Impulse Locking Piece Marked #25 Made in the US from an enhanced material and heat treated to factory specifications. Each US-made MP5 40/10 60-Degree Locking Piece is used for high-impulse ammo commonly found in...
    HKP-15149
    $44.95
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  • Out Of Stock
    New - H&K -2 Roller For Bolt Head 7.98mm - Under-sized - HKP-00505 HK -2 Roller For Bolt Head 7.98mm - Under-sized

    HK -2 Roller For Bolt Head 7.98mm - Under-sized

    H&K Heckler & Koch

    $19.95
    H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...
    HKP-00505
    $19.95
    Out Of Stock
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    $19.95
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