Bolt Carrier Groups

Retaining Pin For Firing Pin Complete With O-Ring HK G36 HK SL8

HK G36 & SL8 Extractor Axle This part can become heavily worn and is prone to breakage. Compatible with: HK G36 models HK SL8 models

Retaining Pin for Firing Pin- German HK HK G36 HK SL8

HK 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...

Original 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...

German  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...

HK G36 Bolt Group New Factory German HK. HK G36 HK G36K HK G36CThis will not work with a HK SL8.

HK G36 Bolthead Carrier IncompleteThis will not work with a HK SL8.

New HK German G36, G36K & G36C Bolt Head Complete. This Is Also The Needed Part To Allow The SL8 To Use The Double Stack Magazines. Inclused all of the parts such as the extractor, extractor spring, ejector, ejector spring,etc for a complete ready to...

New HK German G36 Or SL8 Firing Pin Great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants.

New HK German MP5 40/10 Factory F/A Bolt CarrierThis 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. Last call!

HK SL6 Bolt Carrier Group  

New 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...

MP5 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.

New 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.

New HK German action 3 style Full Auto Bolt carrier - German HKDesigned to be used with the standard recoil assemblies from an MP5/94 model.Will work in clones and other factory spec firearms.

H&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"...

MP5 German HK Full Auto Bolt Carrier Used

This 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...

MP5K 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...

HK German MSG-90 Titanium +2 or 8.02mm Set (one pair) of Half Moon rollers

HK German MSG-90 Titanium +4 or 8.04mm Set (one pair) of Half Moon rollers

HK German MSG-90 Titanium -2 or 7.98mm Set (one pair) of Half Moon rollers

HK German MSG-90 Titanium -4 or 7.96mm Set (one pair) of Half Moon rollers

HK German MSG-90 Titanium 8.00mm Set (one of two rollers) Half Moon Rollers

HK German MSG90/PSG1 Bolt Carrier. Rare and hard to find. Now restricted by HK and will only become harder to find.

New 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...

RARE! 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...

New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly called a sear.

German UMP .40 factory F/A Bolt Group - Complete This item is used in VG shape or better.

HK UMP .40 Caliber Conversion Kit This UMP conversion kit provides the necessary components to convert .45 sub-guns to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub-guns. This is a simple, drop-in conversion requiring a...

German HK UMP .45 Factory Full Auto Bolt Group Complete Used.Used German bolt carrier complete that is tungsten filled and the factory correct HK UMP .45 cal bolt group. Comes less the recoil assembly.

  G36 & Sl8 Bolt Group Fork For Cocking Handle - US 

HK UMP 9mm Conversersion Kit - USA - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The total conversion requires approximately...

HK UMP 9mm Conversion Kit - Threaded Barrel 1/2 x 28 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those that have already done the USC-UMP conversion. The conversion parts are drop...

HK MP5 40/10 Bolt Group Complete Ideal 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 40,10mm firearms. This offering is the finest US made bolt head available. Each...

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. 100% Satisfaction Guaranteed. Not to be confused with cheap...

US Made PTR Bolt Group Complete Semi-Auto 308.Factory correct bolt head and locking piece for use in the PTR PDW chambered in 7.62X51 or 308. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.

US Made PTR 32 Bolt Group Complete Semi-Auto.Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR 32 rifles with 12"and 16" barrels.

HK UMP 9mm - Semi-Auto Bolt Stripped Tungsten Filled Heat Treated Parkerized & polished Marked 9X19mm just like the OEM HK boltThe semi-auto bolt is required for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK...