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Vital Wednesday, October 4th, 2006
Period of
Product Use:
6 months5 of 6 people found this review helpful.

More than 5 years
Products Used:
Nothing on this type of Spyder. However, have tried a Black Point Engineering folding stock on a Tippman 98 and used a MR-1 Spyder with the fixed stock.
Marker Setup: 32 Degrees Icon
16" Smart Parts Progressive
Dead On X-chamber
ACI High Volume Cell
Remote Coil
Check-it Anti-slip feed neck
Kingman Anti-chop Derlin bolt
Gunhead M4 Style Adjustable Butt Stock (the Point of this

PMI/ACI Trracer Tagmaster
14" J&J Ported Barrel
32 Degrees Gas-Thru T-Stock
Remote Coil
Strengths: -Realistic looking
-Multi-position for max. comfort
-Easy install
-Retains velocity adjusment
Weaknesses: -Gunhead's Customer service
-Thumb screw does not stay tight
-Replacement striker plug damages easily
Review: First Glimpse:

I've had a chance to use this stock for a full season now. Out of the box, I would have to say the looks are incredible. It is very true to an actual M4 stock. Despite being plastic, I do not think that it feels cheap. The slider is aluminum and has a durable matte finish. The parts supplied were easy to install and were a perfect fit. It also allowed for velocity adjustments to still be made.


The stock attaches to the gun by using a replacement striker plug (part that would usually house your velocity adjustment screw). The replacement is essentially 2 aluminum cylinders fused together: one to replace the striker, and a large one to act as a reciever for the stock. This part is held into the rear of the gun using the factory pin. Gunhead has allowed for a velocity adjustment srew to be mounted , but it requires that you remove the stock to turn it up or down (no tools, it's a thumb screw). The M4 stock slides over the larger (exposed) cylinder and is fixed into place using a thumb screw. During gameplay, this screw does come loose due to movement from you and your gun's internals. I added a lock washer, this seemed to help somewhat. I still find myself checking the stock between games, just to be safe.


Once installed, the stock slides to approx. 3 levels of extension. I found the middle setting suits me best, but everyone should be able to find a comfortable setting. Besides looking pretty bad @ss... the stock is really quite functional!


About a month ago, my striker buffer blew apart without my knowledge. This has happened before, and I'm sure everyone has experienced this at one point. This is normally not a problem, and i would simply replace the part during gun cleaning. HOWEVER, unlike the stock striker plug, the Gunhead version is softer material. The result? Upon getting home, I tried to remove the new striker plug and was unable to...the impact of the striker against the plug had deformed the plug and caused it to flare...making it near impossible to remove. I had to carefully tap it out using an awl and hammer. Upon removal, I found that the spring guide pin was now stuck within the striker plug...

I emailed Gunhead (as that is the only option) and requested a replacement striker plug for whatever the cost. I also offered to send the old one back for R&D purposes if desired. 1 week, no answer. I emailed again, using different account (in case of server error)....still no answer. I allowed 3 weeks to go by and took matters into my own hands.

I was able to sand down the newly formed lip using aluminum oxide paper with about a zillion test fittings. I then used a Dremel too to sand away the interior of the striker plug and was able to get my spring guide back. I then cleaned up the inside of the striker plug, gave it a good lube, and reinstalled it.

Purchased a new striker buffer... and things are back to normal. I do take responsibility for not checking the striker buffer earlier (though it shouldn't have been needed)...but was unimpressed with the customer service.

Conclusion: Above all else, I found this stock to be extremely functional!
This is also one of the very few stocks available for the Spyder (especially M4 style). I just wish Gunhead would up it's customer service a little. I understand that they may not run a full blown shop and do not have a phone number (internet businesses are fine), but ANSWER YOUR EMAIL!!! I had no trouble with paying for the item, or having it shipped on time, and was contacted then by Gunhead why not for troubleshooting??? I mean afterall, I was willing to pay for a replacement, I was NOT asking for a refund.

End rant.

Get one if you like the look and feel you need some support, but perhaps knowing someone with a machine shop would be a good idea...

7 out of 10

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