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EMG SAI Licensed Steel Bolt Carrier for M4 Airsoft GBB Rifles by RA-Tech (Model: GHK)

ID: 69385 (Bolt-EMG-SAI-GHK)
EMG859188693852Bolt-EMG-SAI-GHK (RAG-GHK-028)69385
4.6 stars, based on 5 reviews
EMG SAI Licensed Steel Bolt Carrier for M4 Airsoft GBB Rifles by RA-Tech (Model: GHK)
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EMGSAI - Salient Arms Intl


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  • Licensed by Salient Arms International
  • Made from heat-treated medium carbon steel
  • Titanium Nitride (TiN) coating for superior surface-wear resistance
  • Nice heavyweight feel for more realistic handling and feedback
  • Bolt carrier keyway is held in place by 2x long thread heat-treated screws
  • Direct drop-in performance part, easy to install with minimal to no modification necessary
  • Compatible with OEM nozzle, nozzle guide, and nozzle retainer, and retaining pin (not included)
Compatibility: For GHK M4/M16 series Airsoft GBB rifles
Material: Heat-treated, TiN coated medium-carbon steel
Package Includes: TiN Coated Steel Bolt

Manufacturer: EMG (OEM: RA-Tech)

About EMG

The EMG vision is to manufacture products the world has never seen before; products we would put our name on, and products that hit the spot! "EMG" (Evike Manufacturing Group) was spawned from the realization that if you want something done exactly the way you want it, you need to do it yourself, and we did just that.
We took our 16 years of knowledge as the market's lead retailer, our network of 300+ superior manufacturers, to work with inspiring top innovators in the firearms industry. That combined with the vision to invest into the Airsoft industry, an industry we believe in, EMG was born.

About SAI - Salient Arms Intl

Salient Arms International (SAI) is dedicated to providing elite weaponry to customers who expect only the very best in both accuracy and performance. Whether they are military, law enforcement, civilian, or competition shooter, we will provide them with cutting edge products that they can rely on.SAI prides itself on applying an out-of-the-box approach to industry problem-solving. We identify and address a weapon's shortcomings and then strive to create an improved and completely unique platform. Our approach to aesthetic design follows a very similar course. SAI places performance at the forefront of all its designs and that emphasis on performance creates a truly remarkable and striking firearm for the end user.We at SAI believe that a weapon designed around performance instills confidence in its user. That confidence can mean the difference between success or failure, winning or losing, and even life or death.

5 Customer Reviews

(Write a review)

by Michael Y. on 07/13/2020
"This bolt is gorgeous. it's solid steel. my aluminum nozzle doesn't cause damage to this bolt like it did with the stock aluminum bolt. also, the bolt catch functions VERY well and doesn't seem to be taking much wear because both the bolt catch and bolt are steel.
I love it. I will be installing one of these into my next WE Tech GBBR
by brian w. on 05/18/2017
"Drop in fit. Beautifuly made, cycles great bangs HARD! Love it. Highly recommend!
by Quan Minh V. on 01/26/2017
"Just got the bolt today. Pretty happy how it looks and feel. Got it to fit in my WE 888c (HK 416c). The thing looks flawless. At first I couldn't charge the handle back, but after a little fiddling, it did the trick. Make sure to lube it thoroughly, especially at the rear end of the bolt.

Only thing I complain is the bolt catch doesn't always engage like it used to anymore, not sure why. The bolt catch might need some trimming perhaps. It's pretty stiff after installing the bolt. You will notice this right after you install the bolt, as you might not even charge the handle back, or close the upper receiver. This happens to both the stock and the included new bolt catch. But like I said, fiddle with it a bit then everything will fall in place.

Also a minor aesthetic detail is the laser etched SAI logo has a little burnt outline around it, not as crisp as in the photos. But it's barely visible. Still looks neat regardless.

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