HK MP5/K & SP5/K Bolt Carrier Groups
Ensure reliable cycling in your HK MP5 series firearm. Browse our selection of factory HK bolt carrier groups, performance-enhanced aftermarket options, and US-made parts for SP89 builds.
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- Qty in Cart
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PTR Locking Piece HK MP5, HK SP5 , HK MP5K, HK SP5K - 100 Degree
PTR
$39.95This PTR 100 degree locking piece is a great replacement for your worn out locking piece or to replace the 110 degree locking piece from a MP5K.The MP5 100 degree locking piece is the proper & correct locking piece for all HK MP5 MP5K style forearms...HKP-20342$39.95 -
HKP HK MP5 (.40 S&W) Locking Roller -2
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -2The proper roller size is essential for proper headspacing of bolt gap.HKP-17563$11.95 -
RCM HK MP5 Semi Auto Carrier
RCM
$159.95MP5 9mm Semi-Auto Bolt Carrier - RCM New US RCM manufactured MP5, 94 F/A Carrier With All Current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. Machined completely from billet ordnance grade steel to exact HK...HKP-20981$159.95 -
RCM MP5K/SP89 9mm Locking Piece - 110 Degree
RCM
$34.95MP5K, SP89 Locking Piece - 110 Degree - RCM US-Made Locking Piece. Made from ordnance grade steel, heat treated, and made to last by RCM. HK no longer makes the 110-degree locking piece as they use the 100-degree locking piece in all 9mm MP5 and MP5K...HKP-01465$34.95 -
H&K MP5 & HK94 9mm Complete Bolt Head
H&K Heckler & Koch
$349.95HK German MP5 & HK94 Used Bolt Head Complete There are only a few available as they are now considered "restricted import items" by HK.HKP-01881$349.95 -
HKP HK MP5 40 Locking Roller -4
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -4The proper roller size is essential for proper headspacing of bolt gap.HKP-17561$11.95 -
Out Of Stock
RCM HK MP5/SP5 #27/90 Degree Locking Plate
RCM
$39.95RCM HK MP5/SP5 #27/90 Degree Locking Plate Machined and properly heat treated from ordnance grade steel. A must have component for users runing a suppressed set up or cycling a variety of ammunition. This will assist with fine-tuning pistol...HKP-21334$39.95 -
H&K MP5/94 9mm Recoil Rod & Spring Assembly Complete-Used
H&K Heckler & Koch
$35.95HK MP5 & HK94 9mm Recoil Rod & Spring Assembly Complete - UsedHKP-00667$35.95 -
RCM MP5 40, MP5 10mm Complete Bolt Group
HKP HK Parts
$414.95RCM- MP5 40 & MP5 10mm - Bolt Group CompleteIdeal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5 40 & MP5 style 10mm firearms.Each bolt group comes...HKP-19723$414.95 -
Out Of Stock
H&K MP5 40/10 Extractor
H&K Heckler & Koch
$0.00New HK MP5 40/10/.357 Latest Production 1.4mm Extractor This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many out-of-spec clones out there. Compatible with: MP5 40 MP5 10 MP5 .357HKP-00410$0.00 -
HKP HK MP5 9mm Bolt Carrier - Red
HKP HK Parts
$189.95Bolt Carrier F/A - 9mm - HK Red - MP5 Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat-treated providing the finest American made carrier available. This carrier has been...HKP-19535$189.95 -
H&K MP5 40/10 -2 Roller
H&K Heckler & Koch
$19.95New HK German MP5 40/10 -2 roller Hard to find and needed for headspace adjustments if needed. Great spare to have on hand and no longer in production. Each roller is priced per piece.HKP-00336$19.95 -
HKP HK MP5 (.40 S&W) Locking Roller +2
HKP HK Parts
$11.95HK US MP540 Locking Roller, +2The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mmHKP-17564$11.95 -
H&K MP5 40/10 Recoil Rod Bushing - Black
H&K Heckler & Koch
$9.95New HK German MP5 40/10/.357 Recoil Rod Guide Ring Bushing - Black For all MP5 40/10 & MP5F Recoil Rods. These will wear and become brittle and torn with age and use. A great item to have on hand for spare parts.HKP-00441$9.95 -
Out Of Stock
H&K MP5 40/10 Threaded Bolt/Mag Follower Catch Screw
H&K Heckler & Koch
$0.00MP5 40/10 Threaded Bolt Catch For Magazine Follower This is the small threaded screw that fits into the bolt-hold-open axle and makes contact with the magazine follower to activate the bolt-hold-open. A small but critical part is to keep spares on hand,...HKP-00454$0.00 -
H&K SP5K 9mm Semi Auto Bolt Carrier
H&K Heckler & Koch
$369.95HK German SP5K Semi Auto Bolt CarrierNew HK SP5K bolt carrier complete. Made in Germany SP5K Will also work as a semi auto only carrier in all MP5K semi buildsHKP-18207$369.95 -
HKP MP5 40/10 Bolt Hold Open Weldment Set Complete
HKP HK Parts
$189.95MP5 40,10 Bolt Hold Open Weldment Set CompleteNot offered or available anywhere else. This is the correct weldment set for the MP5 40/10 BHO components.HKP-17648$189.95 -
H&K MP5 40/10 -4 Roller
H&K Heckler & Koch
$19.95New HK German MP5 40/10 -4 roller Hard to find and needed for headspace adjustments if needed. Great spare to have on hand and no longer in production. Each roller is priced per piece.HKP-00337$19.95 -
HKP HK MP5 40 Locking Roller +4
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, +4The proper roller size is essential for proper headspacing of bolt gap.HKP-17562$11.95 -
RCM HK MP5K Semi Auto Carrier
RCM
$159.95MP5K, SP89 semi-auto Carrier machined completely from billet ordnance steel. RCM's US made MP5K carrier is made to the most updated and latest MP5K specs and more. Tungsten filled, heat treated, Phosphate finish and all hardware installed. The...HKP-20982$159.95 -
Out Of Stock
H&K HK MP5 40/10 Bolthold Open Set - Used
H&K Heckler & Koch
$0.00MP5 40/10 Bolt Hold Open Set Complete - UsedComplete German bolt hold open set that includes: German Axel Rod Axel Roll Pin Lever Torsion SpringHKP-20322$0.00 -
H&K MP5 & HK94 Recoil Guide Rod
H&K Heckler & Koch
$14.95New HK German MP5,94 Recoil Guide Rod BarHKP-01054$14.95 -
H&K MP5 40/10 Bolt Hold Torsion Spring
H&K Heckler & Koch
$19.95MP5 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$19.95 -
H&K MP5 40/10 Standard 8mm Roller
H&K Heckler & Koch
$20.95HK German MP5 40/10 8mm Roller - Factory New Hard to find and needed for headspace adjustments. Great spare to have on hand and no longer in production. Each roller is priced per piece.HKP-00338$20.95 -
HKP HK MP5 (.40 S&W) Locking Roller +6
HKP HK Parts
$11.95HK US MP540Â Locking Roller, +6The proper roller size is essential for proper headspacing of bolt gap.HKP-17565$11.95 -
MP5 40, MP5 10mm Bolt Head - Complete
$199.95HK MP5 40/10 Bolt Head Complete -USIdeal to replace out of spec, worn or broken bolt heads or for that custom build. Each bolt head will work and fit on semi or full auto MP5 40,10mm pistol or rifles. Each bolt head is made from a solid billet, hardened...hkp-18477$199.95 -
RCM HK SP5K Semi Auto Carrier
RCM
$159.95SP5K semi-auto Carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K specs and more. Tungsten filled, heat treated, Phosphate finish and all hardware installed, The only US made...HKP-20983$159.95 -
H&K MP5 40/10 Bolt Hold Open Lever
H&K Heckler & Koch
$74.95MP5 40, MP5 10 Bolt Hold Open Lever - German HK - New 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 DillonHKP-01471$74.95 -
H&K MP5 40/10 Factory Full Auto Bolt Carrier
H&K Heckler & Koch
$499.95New HK German MP5 40/10 Factory F/A Bolt Carrier This is the latest and greatest version of the MP5 40 and MP5 10mm carrier. No longer in production or manufactured. Tungsten-filled German HK and the real deal.HKP-00452$499.95 -
Out Of Stock
H&K MP5 Full Auto Bolt Group Complete- IB DATE CODE
H&K Heckler & Koch
$0.00MP5 Full Auto Bolt Group Complete - IB DATE CODE-NEW OLD STOCK HK German 9mm MP5 full auto bolt carrier IB dated new old stock in 100% working order. These bolt groups are HK German MP5 Limited quantity available.Heckler & Koch bolt groups are now...HKP-00662$0.00 -
H&K MP5K/SP89 9mm Recoil Guide Rod Stripped
H&K Heckler & Koch
$14.95New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.HKP-01693$14.95 -
Out Of Stock
HKP MP5 40/10 Bolt Hold Open Axle Rod & Pin Combo
HKP HK Parts
$27.95HK 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$27.95 -
HKP MP5 40/10 Full Auto Bolt Carrier
HKP HK Parts
$149.95Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American made carrier available. 100% Satisfaction Guaranteed. Not to be confused with cheap...HKP-18363$149.95 -
H&K HK MP5 40, HK MP510 Factory F/A Bolt Carrier
H&K Heckler & Koch
$449.95New HK German MP5 40/10 Factory F/A Bolt CarrierThis is the latest and greatest version of the MP5 40 and MP5Â 10mm carrier. No longer in production or manufactured. Tungsten filled German HK and the real deal. Last call!HKP-19390$449.95 -
Out Of Stock
H&K HK MP5, HK94 100 Degree Locking Piece-Used
H&K Heckler & Koch
$0.00MP5 100 degree used surplus locking piece. Pulled from early HK German MP5 parts kits.HKP-00668$0.00 -
Out Of Stock
H&K MP5 "Action 3" Bolt Group Complete
H&K Heckler & Koch
$0.00New HK German MP5 "Action 3" Bolt Group Complete. Includes the following: MP5 Action 3 Bolt head complete, MP5 Full Auto Bolt Carrier (newer F style), MP5 Firing pin, MP5 Firing pin spring, 100 MP5 Degree Locking piece & Complete MP5/94 recoil rod...HKP-00129$0.00 -
Out Of Stock
H&K MP5 & MP5K Stop Pin For Recoil Rod
H&K Heckler & Koch
$0.00HK German MP5 & MP5K Recoil Rod Stop PinNew HK German manufacture a great spare or replacement item to have on hand. MP5, 94, SP5 MP5K, SP89, SP5KClones or other custom buildsHKP-17421$0.00 -
H&K MP5 1st Generation Bolt Head Complete-Used
H&K Heckler & Koch
$274.95MP5 1st Generation Bolt Head Complete - Used Parts come from trade-in MP5's.HKP-00664$274.95 -
Out Of Stock
H&K MP5 40/10 +2 Roller
H&K Heckler & Koch
$0.00MP5 40,10 +2 Roller New HK German MP5 40/10 +2 roller. Hard to find and needed for headspace adjustments if needed. Great spare to have on hand and no longer in production. Each roller is priced per piece.HKP-00334$0.00 -
H&K MP5 40/10 +4 Roller
H&K Heckler & Koch
$20.95New HK German MP5 40/10 +4 roller Hard to find and needed for headspace adjustments if needed. Great spare to have on hand and no longer in production. Each roller is priced per piece.HKP-00335$20.95