Bolt Carrier Groups

Bolt Carrier Groups

Discover top-quality Heckler and Koch bolt carrier groups at HK Parts, including the HK MP5 bolt carrier, HK 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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  • On Sale
    New - HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED - HKP-18049-B
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    HK MP5, HK94, SP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $7.46
    Was: $33.95
    HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED   GUNSMITH SPECIAL.  THESE UNITS WILL NEED RE-WORK BEFORE USE. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.   Please Note: Will...
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    Was: $33.95
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    New - H&K G36 (5.56/.223) Catch, Trip Lever - HKP-01870 HK G36 (5.56/.223) Catch, Trip Lever
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    HK G36 (5.56/.223) Catch, Trip Lever

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    HK G36 Catch, Trip Lever For Bolt Contact On All G36 Lowers      
    Now: $13.46
    Was: $14.95
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    New - H&K HK 417/MR556/416/MR776 Pin Look Index - HKP-02639
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    HK416, HK417, MR556, MR762 Pin Look Index

    H&K Heckler & Koch

    Now: $6.25
    Was: $6.95
    H&K HK 417/MR556/416/MR776 Pin Look Index   Compatible With: HK MR556 HK 417 HK MR556  
    Now: $6.25
    Was: $6.95
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    New - PTR 32 (7.62x39) Complete Bolt Head - US Made - HKP-02280 PTR 32 (7.62x39) Complete Bolt Head - US Made

    PTR 32 (7.62x39) Complete Bolt Head - US Made

    Now: $179.95
    Was: $199.95
    PTR 32 (7.62x39) Complete Bolt Head - US Made This item is a complete bolt head using a combination of new HK German and new US-made Parts. Bolt Head counts as one US-made compliance part for the 922r compliance. Compatible With: All HK PTR-32 7.62 X...
    Now: $179.95
    Was: $199.95
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  • On Sale
    New - HKP HK 91/G3 Extractor - Enhanced Coated Polish - HKP-22182-M HK91, G3 Extractor - Enhanced Coated Polish
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    HK91, G3 Extractor - Enhanced Coated Polish

    HKP HK Parts

    Now: $19.96
    Was: $24.95
    HKP HK 91/G3 Extractor - Enhanced Coated Polish  Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible With: HK...
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    Was: $24.95
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    New - HKP HK MP5 (.40 S&W) Locking Roller -2 - HKP-17563
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    HKP HK MP5 (.40 S&W) Locking Roller -2

    HKP HK Parts

    Now: $9.56
    Was: $11.95
    HK US MP540 Undersized Locking Roller, -2 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...
    Now: $9.56
    Was: $11.95
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    New - HKP HK MP5 (.40 S&W) Locking Roller +6 - HKP-17565
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    HKP HK MP5 (.40 S&W) Locking Roller +6

    HKP HK Parts

    Now: $9.56
    Was: $11.95
    HK US MP540  Locking Roller, +6 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 to...
    Now: $9.56
    Was: $11.95
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  • On Sale
    New - H&K HK 416 A5 Bolt Carrier Complete - HKP-21500 HK416 A5 Bolt Carrier - Complete
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    HK416 A5 Bolt Carrier - Complete

    H&K Heckler & Koch

    Now: $1,750.50
    Was: $2,349.95
    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"...
    Now: $1,750.50
    Was: $2,349.95
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  • On Sale
    New - B&T TP9/MP9 Extractor Spring - HKP-17300 B&T TP9, MP9 Extractor Spring
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    B&T TP9, MP9 Extractor Spring

    B&T Brugger & Thomet

    Now: $8.96
    Was: $9.95
    B&T TP9, MP9 Extractor Spring Swiss-manufactured TP9 and MP9 extractor spring. Compatible With: B&T TP9, MP9
    Now: $8.96
    Was: $9.95
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  • On Sale
    New - HK G36/SL8 (5.56/.223) Bolt Heads Ejector - HKP-18371 HK G36, SL8 Bolt Head Ejector - USA
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    HK G36, SL8 Bolt Head Ejector - USA

    Now: $12.55
    Was: $13.95
    HK G36/SL8 Ejector For All G36, SL8 bolts -US Made
    Now: $12.55
    Was: $13.95
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  • On Sale
    New - PTR HK 91/G3 (7.62x51/.308) Semi-Auto Bolt Carrier - HKP-01461 HK91, G3 Bolt Carrier - Semi-Auto
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    HK91, G3 Bolt Carrier - Semi-Auto

    PTR

    Now: $224.95
    Was: $249.95
    New US Made HK91, HK G3, PTR-91 Bolt Carrier - Semi Auto Carrier This part is made to exact H&K specs and with the same material. PTR uses HK factory blueprints for manufacturing and quality control. Manufactured at the PTR facility here in the...
    Now: $224.95
    Was: $249.95
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    RCM HK SP5K Spec Suppressed Bolt Group RCM HKP-22277 RCM HK SP5K Spec Suppressed Bolt Group RCM HKP-22277

    HK SP5K Bolt Group - Suppressed - Full Auto - Spec

    RCM

    Now: $368.95
    Was: $409.95
    RCM HK SP5K Spec Suppressed Bolt Group- Full Auto The RCM SP5K Suppressed bolt group is expertly engineered for operating in full auto while suppressed. Although designed as a full-auto bolt group, it also functions perfectly in semi-auto receivers. This...
    Now: $368.95
    Was: $409.95
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    Was: $409.95
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