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MP5, 94, MP5K, SP89 Bolt Head - US
Our Products - HK MP5 Parts > MP5 - Bolt Group, Bolt Head, Recoil Rod

US made (RCM) & German HK MP5,94 or MP5K, SP89 9mm bolt head complete

Each bolt head incorporates a mixture of the finest quality US made & factory German HK parts. Making up a new complete bolt head ready for use. Ideal to replace out of spec bolt heads. Fits on semi or full auto 9mm's pistol or rifles. Each bolt head is made from a solid billet with the new Action 3 or "F" specifications with an enhanced steel material that is superior to any previous bolt heads or any that are currently available.

    Includes:
  • Bolt Head - US Made made from an enhanced steel
  • Extractor - US Made to true F specs of enhanced steel
  • Extractor spring - (proper German HK copper colored extractor spring) - Genuine HK not POF or clone
  • Roller retainer spring upgrade - Genuine HK German
  • 8mm rollers (pair) - Genuine HK German
  • Roller retainer pin - Genuine HK German

All of our 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 and improvements.


SKU: HKN11560US
Brand: Rim Country Manufacturing
Origin: USA
In Stock
Price: $199.95
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MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
 MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
 MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
 MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
 MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
MP5, 94, MP5K, SP89 Bolt Head - US
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MP5, 94 & MP5K, SP89 Firing Pin - German HK

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Price $39.95

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MP5 & HK94 Firing Pin Spring

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MP5K Full Auto Bolt Carrier - US Made

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MP5, 94 Trunion US Made Highest Quality 9mm

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Product Reviews

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"rcm bolt head"

lawrence blackburn on 5/7/2012 6:38:23 PM

Stars Rating:


Comments and Suggestions: adam suggested this as a fix for my bellator sp89k and it fixed my problem. ran 2 mags without any problems thanks for your help

"MP5, 94, MP5K, SP89 Bolt Head - US"

steven barber on 3/25/2012 9:04:09 PM

Stars Rating:


Comments and Suggestions: his part fit well.I havent had a chance to fire the pistol yet,due to backordered suppressor.

"RCM Bolt head"

Donavan Stinson on 11/27/2011 9:22:25 AM

Stars Rating:


Comments and Suggestions: Jeff Walters (Ghilliebear), Suggested this as a fix for my Coharie PDW issues. He was 100% correct as usual. This bolt head, and a correct RCM 110 locking piece did the trick. Runs like a sewing machine now. Thanks again, HK parts!

"Top quality bolt"

R Doe on 10/26/2011 12:29:07 PM

Stars Rating:


Comments and Suggestions: I am building an MP5 from parts. The descprition of this bolt was good and I bought one. The one I got has a very nice finish and everything seems to be made to perfection. I didn't install it yet but I'm sure it will do good service.

"bolt great"

STEPHAN JOCHUM on 9/22/2011 1:51:30 PM

Stars Rating:


Comments and Suggestions: As usual dealing with Adam via phone or via email never fails to get what i order and it shall be noted he has helped me many times during trouble shoots with hk guns. Great company great people. This bolt head is just like the real deal from hk but a lot cheaper. works fantastic in my clone and hk mp5

"MP5 US made bolt head"

Mike Turner on 9/14/2011 11:31:47 AM

Stars Rating:


Comments and Suggestions: These bolt heads are extremely well made. Dimensionally and aesthetically exact to original HK, we have used them in many of our builds with no problems. We highly recommend them for complete builds or replacement parts.

"DBoy Elite"

Danny Boyer on 6/5/2011 8:34:57 PM

Stars Rating:


Comments and Suggestions: I had many FTE problems with the stock bolt in my Cohaire CA94, about 3 every magazine. I decided to replace the bolt with this one from RCM with some doubt. I went to the range yesterday and pumped out 500 rounds no problems! Thanks to both HK Parts and RCM. Excellent bolt for a great price!

"Buy this and all of the US made parts HKPARTS carries"

Kyle Rochester on 6/5/2011 9:22:57 AM

Stars Rating:


Comments and Suggestions: Had nothing but issues with my clone in the way it functioned from day one. I tried some of the less expensive POF parts with about the same luck. I heard about Hkparts.net's new US made bolt head and I ordered one and guess what...All of my feeding and extraction issues are now gone. I ended up swapping out all of the crappy POF and clone black market parts (CA94) out and the gun now works as it should of when I bought it new. I though I had a paperweight but the parts I got here fixed all of t... More details

"Bolt head MP5, HK94......"

Pete on 6/4/2011 5:24:41 PM

Stars Rating:


Comments and Suggestions: I bought this part to replace the out-of-spec bolt head on a HK94 clone. So far it works great, and it is lots better quality than the clone part. HK original might still be best, but for twice the price of this one.

"Mike Keck"

Michael Keck on 6/4/2011 10:37:27 AM

Stars Rating:


Comments and Suggestions: I purchased 2 of these, both for coharie clones that came with out of spec boltheads, lemme tell ya these things are awesome! Just as good as a german part. They work great. If you have any hesitation on purchasing them, DONT!