MP5K / SP5K Bolt Carrier Groups
Optimize your MP5K and SP5K with our reliable bolt carrier groups. At HKP, we offer complete MP5K bolt carrier groups and individual HK bolt assemblies to ensure smooth operation and durability. Explore our range of high-quality HK Parts for superior performance.
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On Sale
HK MP5K/SP89/SP5K 9mm Recoil Spring
H&K Heckler & Koch
Now: $10.75Was: $11.95HK German MP5K, SP89 Recoil Rod Assembly Spring This is a great replacement and spare part.Now: $10.75Was: $11.95 -
On Sale
HK MP5, HK94, MP5K, SP89 Firing Pin - Titanium
HKP HK Parts
Now: $39.96Was: $49.95HK Parts Titanium Firing Pin for HK MP5, HK MP5K, HK94, and HK SP89 Grade 6 Titanium firing pin. Each was made using the factory HK specifications from original HK German blueprints. This is the finest US made Titanium firing pin available anywhere, at...Now: $39.96Was: $49.95 -
HK MP5, HK94, SP5K 100 Degree Locking Piece
HKP HK Parts
$33.95HKP MP5, HK94 & MP5K 100 Degree Locking Piece Each 100 degree MP5 locking piece is the proper, correct locking piece for all HK MP5, 94 and full size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants, per...$33.95 -
On Sale
HK90, MP5 Series Roller Locking Plate - Original Style
H&K Heckler & Koch
Now: $39.56Was: $43.95New HK German Roller Retainer Plate For Rollers Original-style roller locking plate. This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use. Compatible With: HK MP5*** HK...Now: $39.56Was: $43.95 -
HK -4 Roller For Bolt Head 7.96mm - Under-sized
H&K Heckler & Koch
$27.99H&K -4 Roller For Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -4 roller, each roller is priced per roller. Please Note: The price listed...$27.99 -
On Sale
HK MP5K/SP89/SP5K 9mm #28 Locking Piece
H&K Heckler & Koch
Now: $178.16Was: $197.95H&K MP5K/SP89/SP5K/SP5K PDW 9mm #28 Locking Piece This is the locking piece that is recommended when using a suppressor and 147-grain or heavier bullets. This will slow the rate of fire while suppressed to safe levels. This locking piece is 80...Now: $178.16Was: $197.95 -
On Sale
HK MP5K/SP89/SP5K Recoil Rod Assembly - USA
DTAC Dakota Tactical
Now: $31.46Was: $34.95HKP MP5K, SP89, & SP5K Recoil Rod Assembly - USA The new US-made Dakota Tactical recoil rod assembly is completely micro-polished and built of the finest materials. This is a great item to have on hand as a spare part as this is a wear and...Now: $31.46Was: $34.95 -
Out Of StockOn Sale
HK SP5K Bolt Carrier - Full Auto - Spec
RCM
Now: $170.95Was: $189.95HK SP5K Specification Full Auto Bolt Carrier - US Made Machined completely from billet ordnance grade steel. The HK SP5K carrier is made to the most updated and latest MP5K F specs that will fit the SP5K. Tungsten filled, heat treated, & factory...Now: $170.95Was: $189.95 -
On Sale
HK MP5K Bolt Group - Complete - 9mm - SA/FA
RCM
Now: $355.45Was: $394.95Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group is compatible with semi and full-auto MP5K 9mm style firearms. Each bolt group comes complete,...Now: $355.45Was: $394.95 -
On Sale
HK MP5, MP5K, HK94K, SP89 Bolt Head - 9mm
RCM
Now: $199.75Was: $221.95HK MP5, 94, MP5K, & SP89 9mm - Complete Bolt Head Each bolt head incorporates a mixture of the finest quality US-made and factory German HK parts, making a new complete bolt head ready for use. Use this to replace out-of-spec bolt heads and worn-out...Now: $199.75Was: $221.95 -
On Sale
HK MP5K, SP89 9mm Locking Piece - 110 Degree
RCM
Now: $30.56Was: $33.95MP5K, 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...Now: $30.56Was: $33.95 -
HK -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...$27.95