HK416 / MR556 Bolt Carrier Groups

German H&K HK 416 A5 Bolt Carrier Complete Get your hands on that critical puzzle piece for your factory-correct 416A5 build.  Fully assembled and ready to drop into your uper receiver.  Bolt carriers may be marked ".223 Rem" or "5.56 x 45"...

H&K HK MR556/MR762/417 Index Pin Spring   Compatible With: HK MR556 HK 417 HK MR762  

H&K HK MR556/MR762/416 Spring Lock Bolt Compatible With: HK MR556 HK 416 HK MR762 HK 417

Firing Pin For HK 416 & MR556 Firearm - USA Made from hardened stainless steel and comes new in the white. Compatible With: HK416 HK MR556 HK CR556 HK M27

H&K HK MR556 A1 Complete Bolt Head Brand new factory German bolt head with all the components to make the bolt head complete. Compatible With: HK MR556 A1

HK 416 Bolt Hold Open Catch US-made bolt hold open catch for the HK 416. Compatible  With: HK 416 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.  

HKP HK MR556/416 Extractor - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HKP HK MR556/416 extractor is a precision-engineered component designed...

HK MR556 & HK416 Firing Pin - TitaniumGrade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK MR556 & HK 416 weapon system. Get the...

H&K HK416 A5 Bolt Carrier Factory HK416 A5 full auto bolt carrier.  This carrier is backwards compatible with earlier HK416 A1 and A3 variants. Features the updated captive firing pin retaining system. Compatible With: HK416 A5 HK416 A1 HK416...

MR556 & HK416 Upper Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...

HK German 416 Bolt Head Complete New HK German manufacture for the HK 416 models. Date coded & proof marked and current HK production.

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...