Bolt Carrier Groups
Discover top-quality H&K bolt carrier groups at HKParts, including the HK MP5 bolt carrier, G3 bolt carrier, and HK93 bolt carrier. Explore our selection of full auto bolt carriers, enhanced bolt carriers, and tungsten-filled bolt carriers for models like the HK416, HK91, and HK MR556. Ensure reliability with factory HK bolt carriers and US-made bolt carriers. Shop now for chrome-lined bolt carriers, firing pin assemblies, and complete bolt heads to maintain 922r compliance and superior performance.
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Out Of Stock
H&K 23E (5.56/.223) Factory Extractor Spring
H&K Heckler & Koch
$0.00HK23E Factory German Extractor Spring Rare and hard to find. This is a new HK German part.HKP-00819$0.00 -
Out Of Stock
H&K 23E/13E (7.62x51/.308) & (5.56/.223) Factory German Firing Pin
H&K Heckler & Koch
$0.00H&K 23E/13E (7.62x51/.308) & (5.56/.223) Factory German Firing Pin New HK23E & HK13E Factory German Firing Pin. Rare as these are no longer made. Perfect spare to have on hand. This will also fit the HK13E and MM23 clones. Compatible...HKP-00820$0.00 -
Out Of Stock
H&K 33, 93 Full Auto Bolt Group Complete
H&K Heckler & Koch
$0.00HK German 33, 93, full auto bolt group Latest Manufacture- NewEach new German HK bolt group includes all German HK parts to include: HK33/93 latest production, tungsten filled F/A Carrier- German HK 33/93 latest production Bolt head complete with all...HKP-16729$0.00 -
Out Of Stock
H&K 53 (5.56/.223) F/A Bolt Carrier Group Complete
H&K Heckler & Koch
$0.00HK German 53 Factory Full Auto Bolt Carrier Group Complete. Each HK53 bolt group includes the following: HK53 full auto, tungsten filled bolt carrier complete- German HK53 bolt head complete with all parts- German HK53 US manufactured # 3 locking piece-...HKP-00475$0.00 -
Out Of Stock
H&K 53 (5.56/.223) Full Auto Bolt Carrier
H&K Heckler & Koch
$0.00H&K German HK53 Full Auto Bolt Carrier Brand new HK German tungsten filled HK53 factory bolt carrier complete. The real deal not cut down HK33 carrier. This is the factory fresh, factory correct HK53 bolt carrier. Fits all: HK53 Custom HK53 custom...HKP-00476$0.00 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) #17 Locking Piece - 36 Degree
H&K Heckler & Koch
$0.00HK German #17 Locking Piece - 36 Degree One of the best ways to slow down & tame that 21). Can also be used for HK91/G3 special projects such as suppressors, & heavier than normal loads. This is also the factory correct locking piece for all...HKP-00581$0.00 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) 7.92mm Roller - (-8)
H&K Heckler & Koch
$0.00HK German Factory -8 Roller 7.92mm in size New HK German negative 8 (7.92mm) that is used for proper head spacing. Hard to find this factory HK roller in this size.HKP-00346$0.00 -
Out Of Stock
H&K 91/G3 (7.62x51/.308) F/A Bolt Group With Rhinemetall Carrier
H&K Heckler & Koch
$0.00German Rhinemetall G3, 91 F/A Bolt Group Complete Each Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3...HKP-00357$0.00 -
Out Of Stock
H&K 93/53/33 (5.56/.223) #7 Factory Locking Piece
H&K Heckler & Koch
$0.00H&K 93/53/33 (5.56/.223) #7 Factory Locking Piece New HK German 93, 33 # 7 55 degree Factory Locking Piece Made and found on stock HK93, 33 firearms. New HK German manufacture. Compatible With HK 93/53/33HKP-00699$0.00 -
H&K G36 (5.56/.223)Gas Piston Rod
H&K Heckler & Koch
$55.95H&K G36 (5.56/.223) Gas Piston RodHKP-16539$55.95 -
Out Of Stock
H&K HK 416 Complete Bolt Group
H&K Heckler & Koch
$0.00HK 416 Bolt Group Complete - German New HK German 416 Bolt group. Rare component as the HK bolt groups are now considered EUC items and are not for sale from HK Germany. Each unit is factory fresh with all of the OTB upgrades. Includes: HK 416 F/A...HKP-00043$0.00 -
Out Of Stock
H&K HK 53 Complete Recoil Assembly
H&K Heckler & Koch
$99.95HK German HK53 Recoil Assembly Complete Brand new HK German manufactured. Each unit will fit factory HK53 firearms or clones that are built to factory specs. Compatible With: HK 53 HK clones such as V53 & C53 firearmsHKP-00479$99.95 -
Out Of Stock
H&K HK 93, HK 53, HK 33K, HK 33 #15 Locking Piece
H&K Heckler & Koch
$0.00H&K HK 93, HK 53, HK 33K, HK 33 #15 Locking Piece The German HK 65 degree angled locking piece was standard on the early HK53 rifles. This locking piece is also used for some custom HK build applications. Also, a great idea to keep a spare on hand...HKP-00480$0.00 -
Out Of Stock
H&K HK 94 Semi Bolt Carrier - Used
H&K Heckler & Koch
$0.00Original German factory HK vintage date coded "IJ" 1989 manufactured bolt carrier. A rare once in a lifetime find. This is the last batch that HK ever imported or made available. Last call!Fits all: HK94 HK MP5 (if semi only is desired) Other 94 clones...HKP-00670$0.00 -
H&K HK 940/SL7 30-06 Locking Piece
H&K Heckler & Koch
$89.95H&K HK 940/SL7 30-06 Locking PieceHKP-02108$89.95 -
Out Of Stock
H&K HK G3, 91 F/A Complete Bolt Group
H&K Heckler & Koch
$0.00German G3, 91 F/A Bolt Group CompleteEach Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3 locking piece...HKP-19671$0.00 -
Out Of Stock
H&K HK G36 Complete Bolt Group - Black
H&K Heckler & Koch
$0.00HK G36 Bolt Group New Factory German HK. HK G36 HK G36K HK G36CThis will not work with a HK SL8.HKP-00635$0.00 -
Out Of Stock
H&K HK G36 Incomplete Bolt Group Carrier - Black
H&K Heckler & Koch
$0.00HK G36 Bolthead Carrier Incomplete This is not compatible with a HK SL8.HKP-16434$0.00 -
Out Of Stock
H&K HK G36, HK SL8 Lower Axle Pin
H&K Heckler & Koch
$0.00G36 & HK SL8 Lower Axle Pin The G36/SL8 (all models) uses the same size axle pin for all of the lower components (3 total). Except for the bolt holding open the device axle. Must insert from the right side to the left (per factory instruction).HKP-00291$0.00 -
Out Of Stock
H&K HK G36/SL8 Piston Rod Spring
H&K Heckler & Koch
$0.00HK G36 & SL8 Piston Rod Spring A must-have spare repair and replacement part. New HK German factory part. Compatible With: HK G36 HK SL8HKP-01863$0.00 -
H&K HK MP5 40 & MP5 10mm Factory F/A Bolt Carrier
H&K Heckler & Koch
$449.95New 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-19390$449.95 -
Out Of Stock
H&K HK MP5, HK94 100 Degree Locking Piece-Used
H&K Heckler & Koch
$0.00H&K HK MP5, HK94 100 Degree Locking Piece-Used MP5 100 degree used surplus locking piece. Pulled from early HK German MP5 parts kits.HKP-00668$0.00 -
$279.95 -
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 9mm Bolt Carrier Action 3
H&K Heckler & Koch
$0.00MP5 9mm Bolt Carrier Action 3 Designed to be used with the standard recoil assemblies from an MP5/94 model. Will work in clones and other factory-spec firearms.HKP-02549$0.00 -
Out Of Stock
H&K MP5 F Bolt Group Complete
H&K Heckler & Koch
$0.00H&K MP5 F Bolt Group Complete The bolt head, bolt carrier, and all F/A-related parts have been restricted by HK and will become increasingly harder to find. The F in the MP5F designation was added after the French Military asked HK to "beef"...HKP-00953$0.00 -
Out Of Stock
H&K MP5 Firing Pin and Spring Set-Used
H&K Heckler & Koch
$0.00Used German HK MP5 Firing pin with new F/P Spring. Sold as a set, pull off's from trade in German MP5's.HKP-00666$0.00 -
Out Of Stock
H&K MP5 Full Auto Bolt Carrier-Used
H&K Heckler & Koch
$0.00MP5 German HK Full Auto Bolt Carrier UsedHKP-00669$0.00 -
Out Of Stock
H&K MP5F 9mm Full Auto Bolt Carrier
H&K Heckler & Koch
$0.00This carrier is the latest and greatest MP5 carrier. Will fit all MP5/94's or clones semi or full. These are becoming increasingly hard to find. Get them while you can. This is the newer style that has the open back for the recoil assembly so it does...HKP-00092$0.00 -
Out Of Stock
H&K MP5K 9mm Complete Full Auto Bolt Group
H&K Heckler & Koch
$0.00MP5K Full Auto Bolt Group "F" Style Complete - GermanEach factory HK MP5K bolt group includes the following: MP5K F/A - F style bolt carrier F style bolt head 100 degree locking piece firing pin firing pin spring recoil rod assemblyExtremely rare...HKP-00384$0.00 -
H&K MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium
H&K Heckler & Koch
$284.95MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium Set (one pair) of half moon rollers.HKP-02453$284.95 -
H&K MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium
H&K Heckler & Koch
$329.95MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium Set (one pair) of half moon rollers.HKP-02454$329.95 -
H&K MSG90 (7.62x51/.308) -2 Rollers 7.98mm Set -Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium -2 or 7.98mm Set (one pair) Of Half Moon RollersHKP-01063$284.95 -
H&K MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium
H&K Heckler & Koch
$329.95MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium Set (one pair) of half moon rollers.HKP-02451$329.95 -
H&K MSG90 (7.62x51/.308) Rollers 8.00mm Set - Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium 8.00mm Set (one of two rollers) Half Moon RollersHKP-00227$284.95 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) 23T - 40 degree Locking Piece
H&K Heckler & Koch
$0.00HK German 23T 40 degree Locking Piece HK German PSG-1 23T Locking Piece. This is 40 Degree. This is similar to the 30T locking piece only this has a 40 degree locking shoulder difference.HKP-00332$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) 30T - 45 degree Locking Piece
H&K Heckler & Koch
$0.00H&K PSG1/MSG90 (7.62x51/.308) 30T - 45 degree Locking Piece HK German PSG-1/MSG90 30T Locking Piece. This is 45 Degree & Made of Titanium For the PSG or MSG Rifles. This is similar to the 23T locking piece only this has a 5 degree locking...HKP-00536$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Bolt Carrier
H&K Heckler & Koch
$0.00HK German MSG90/PSG1 Bolt Carrier. Rare and hard to find. Now restricted by HK and will only become harder to find.HKP-00538$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Bolt Carrier Group Complete
H&K Heckler & Koch
$0.00New HK German PSG1, MSG90 Bolt Carrier Group Complete, A rare find and hard to find. Each bolt comes with the newest production HK German parts: PSG1/MSG90 Bolt carrier with forward assist grooves, Tungsten. Complete PSG1/MSG90 Bolt head 30T PSG1/MSg90...HKP-00533$0.00 -
Out Of Stock
H&K PSG1/MSG90 (7.62x51/.308) Complete Factory Locking Roller Set - (12 rollers)
H&K Heckler & Koch
$0.00RARE! HK PSG1 Factory Locking Roller Set Complete (Every Size) That HK Made For The MSG90 / HKPSG1/ & HK23E AS Follows - 6, - 4, - 2, Standard 8mm, +2, +4 (Pair Of Each Size) PSG1 / 23E Half Moon Roller Set Complete (Total Of 12 Rollers) More...HKP-00822$0.00