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Comments on Alpine's Review

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Alpine Tuesday, July 26th, 2005
Period of
Product Use:
6 months
3 years
Marker Setup: Spyder Xtra
Strengths: Concept is valid and it has good good potential
Weaknesses: Rough machining causes binding
Review: Machining on the interior rods was _very_ rough: you can hear it scraping back and forth.
I tried to sand it down a bit, but it will require further buffing.

Spring was too long for bolt to cock, so I cut one loop off and it worked. As the other review mentioned, perhaps I could have threaded it deeper to accomplish the same thing.

After 3 short woods games, bolt failed to cock and Slideder was binding up. Upon disassembly I found a burr had developed on one of the rods, causing it to bind inside the main body of the Slideder, which was bored out roughly not unlike the rods.
This will take some good grinding to get the burr down.

In terms of 'no movement outside the gun' - this was not true in my case. With each shot, the back of the Slideder jumps out a little bit.
Now, this could very well be due to the fact that I cut a loop off the spring, so the cocking knob is not held inside under as much tension. So I will give them the benefit of the doubt on this until I can try a stronger spring. It is a light pressure so it won't crack your mask.

NW Paintball Supply went out of business and recently (early '05 maybe?) sold their remaining inventory, so hopefully whoever bought that lot of many Slideder's can clean them up a little bit.

It's a good product, and deserves wider usage. Maybe a more advanced factory can pick it up and work the kinks out.

Or, maybe I got a lemon. ;)

EDIT 15-Aug-05:
internal rod continues to bind - the head gets rounded as it hits the main Slideder housing during recocking, and so it binds on the rough channel.
Since the rod is aluminum not steel, this will continue to happen because it's so soft.
Two recommendations from friends I will try:
- use lapping compound and move the parts back and forth by hand to gradually buff out the channel
- epoxy a washer to the inside rear of the housing, so as to provide greater impact surface area for the inner rod, hopefully to lessen the rounding effect.

Review downgraded to a 4 due to these continuing problems.

EDIT 1-Nov-05:
Fixed the binding problem with valve compound and dremeling the recess where the OEM cocking handle attaches ... the circular surface of the Slideder rod was impacting the rectangular 'lip' of the rear face of the bolt and becoming deformed with each hit, causing it to bind.

The set screw for the actual handle (the thing you pull on to cock it) came loose and I lost the handle on the field. I can still cock it with my finger nail, working the internal rod out the back enough to grab it, and then the air keeps it cocked.

The rod that attached to the bolt came unscrewed. I'll use loc-tite next time.
Conclusion: I think it's worth twenty bucks or so if you hate beaver tails/bogus sight rails. But be prepared to spend time tinkering with it.
4 out of 10Last edited on Tuesday, November 1st, 2005 at 8:28 am PST

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