HK Firearms
- Pistols
- Rifles
- Custom Builds
HK Pistol Parts
- Accessories
- Magazines
MP5
- HK 94
- MP5 SD
- MP5 Clones
MP5K
- SP89
- MP5K PDW
MP5 40
- MP5 10
- MP5 .357
HK 93
- HK 33
- HK 53
- Vector Arms V53 V93
- C93
HK 91
- HK G3
- PTR 91
- CETME
PSG1
- MSG90
HK 21
- HK 21E
- HK 23E
- HK 11
HK 416
- HK MR556
- HK 417
- MP7 A1
HK G36
- HK G36K
- HK G36C
- HK SL8
HK USC Carbine
- HK UMP 45
- HK UMP 40
- HK UMP 9mm
HK .22lr Rifles
- Umarex HK
- GSG 5
Heckler & Koch Knives
- Benchmade
HK Apparel
- Shirts
- Hats
New HK Products
Pre-owned HK Products
Glock Magazines
AR-15, AK-47, Glock Parts
Clipped & Pinned Services
Browse Catalog
Gift Certificates
HK 300
- HK G41
- HK SL6

MP5 40/10 Bolt Head US- Incomplete

US made (RCM) HK MP5 40/10 stripped bolt head.

Each bolt head incorporates the same enhanced material as all of the new RCM products. Ideal to replace out of spec, worn or broken bolt heads. Each bolt head will work and fit on semi or full auto MP5 40,10mm pistol or rifles. Each bolt head is made from a solid billet, hardened & polished just like the expensive & hard to find HK German MP5 40 bolt head.

This offering is the finest US made bolt head available. Each Bolt head comes stripped & requires the following parts to be completed as a full bolt head:
  • Extractor US or German
  • Extractor spring
  • Roller retainer spring
  • 8mm or other rollers (pair)
  • Roller retainer pin All of our

You can use your existing parts or add the parts you need here.

US made parts use a new enhanced grade steel, heat treated to HK factory specifications. As an added bonus each bolt head counts as 1 US Compliant part. This is simply the finest bolt head HK or otherwise for the money. Made right here in the USA with all of the latest upgrades & improvements.


SKU: HKP1301460US
Origin: USA
In Stock
Price: $149.95
Save to my Wish List
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
MP5 40/10 Bolt Head US- Incomplete
(Click to see larger image and other views)
Previous Item   Next Item
  • Related Products:
  • Reviews:
Related Items Others Found Useful.
Check the check boxes next to the additional products that you would like to add to the shopping cart, then click on the "Add to Cart" button above. A check box is not shown if a product requires that you select an option or fill out a field. () indicates a required accessory.

HK Locking Roller Pin For All Bolt Heads

HK Locking Roller Pin For All Bolt Heads

Price $6.95

Add to the cart: HK Locking Roller Pin For All Bolt Heads

Roller Retainer Spring - HK Action 3

Roller Retainer Spring - HK Action 3

Price $10.95 Quantity discounts are available

Add to the cart: Roller Retainer Spring - HK Action 3

MP5 40, 10 Standard 8mm Roller

MP5 40, 10 Standard 8mm Roller

Price $20.95

Add to the cart: MP5 40, 10 Standard 8mm Roller

MP5 40/10  Factory Correct Extractor Spring

MP5 40/10 Factory Correct Extractor Spring

Price $9.95

Add to the cart: MP5 40/10  Factory Correct Extractor Spring

MP5 40, MP5 10mm  Extractor- German HK

MP5 40, MP5 10mm Extractor- German HK

Price $51.95

Add to the cart: MP5 40, MP5 10mm  Extractor- German HK

HK German MP5 40/10 Bolt Head Complete

HK German MP5 40/10 Bolt Head Complete

Price $494.95

Add to the cart: HK German MP5 40/10 Bolt Head Complete

MP5 40 / 10mm Extractor - US Made

MP5 40 / 10mm Extractor - US Made

Price $29.95

Add to the cart: MP5 40 / 10mm Extractor - US Made

Product Reviews

Average Ratings:

Stars Rating:


Write your own review

 

Rate this product:


"RCM 40 bolt head"

Stephen Vastine on 2/10/2012 4:19:15 AM

Stars Rating:


Comments and Suggestions: This is a long review but I got this along with the RCM extractor and carrier, the rest HK parts. My #26 LP fit perfectly but I was not getting enough impulse from the weaker 40 ammo. When I tried my #24 LP, it did not fit the bolt head. Josh and Adam were very helpful and put me in touch with Mike at RCM and I shipped him the parts. The tolerances are so tight on these my locking piece was just barely too tall on the top side. He saved it down for me and sent it back. Now it fits like a glove a... More details


"Great bolt"

Joseph Green on 9/22/2011 7:46:06 AM

Stars Rating:


Comments and Suggestions: This bolt replaced the one in my Vector clone. The fit and finish of the RCM bolt surpasses the vector one it replaced.


"Excellent Quality Bolt"

Carl Wilkey on 7/12/2011 8:11:51 AM

Stars Rating:


Comments and Suggestions: I bought this to replace an out of spec part received with my MP5 40 kit. It seems to help with the functioning issues that I have. The quality of the RCM bolt head is far superior to the one that it is replacing at a fraction of the cost of an HK bolt.


"MP5/40 bolt"

Allen Griebel on 6/6/2011 8:28:50 AM

Stars Rating:


Comments and Suggestions: Very nice, well machined