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Winchester Super X1 identification with pics

3K views 12 replies 5 participants last post by  BADDUCK 
#1 ·
Picked up a SX1 at a gun show and I am a sx1 rookie so i am trying to id what model it is. it has the following attributes

28" Barrel marked modified choke
vent rib with a screw at the end
two beads on the barrel
the top of the reciever is matte finish
there is scrollwork on the side
it does NOT have a monte carlo stock
the front of the trigger is serated
nice wood, not ridiculous wood, just nice.
serial number m30290
bolt bugger is intact and servicable

couldn't find any serial numbers on barrel or forearem
the guy obviously had custom work done, it was done at seminole and this came with 6 extended chokes. have always wanted one of these things, couldn't pass this one up for the price







 
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#3 ·
That is standard roll engraved scrollwork that was used on all but the last skeet and trap guns. (I have one skeet and one trap SX1s and they are both identical scroll work.) The wood also tells me this was a target gun because the forend is wider. If it is a 28" barrel it was put on the gun as a replacement because the target guns all had either 26" or 30" barrels. That is a field barrel that was tubed and ported as the original barrel would have been 26" fixed skeet choke if it was a skeet model or a 30" full choke barrel if it was a trap model. The serial number tells me it was probably made in 1976 or 77, but someone else might be able to pinpoint the year.

What you have is a very nice earlier model SX1. Judging by your description, serial number and pictures, this is not a custom gun, it is just one someone has made into a tubed shooter. Other than the porting, which might hurt the value a little, I would say it is worth $600 or more if you were to sell it.
 
#6 ·
aarongreen123 said:
Stupid question, but how do you measure the barrel? I just put it next to my 390 that is 28" and assumed it was 28. Or is this def a field barrel due to the fixed mod marking?
Porting doesn't hurt the value sometimes, but it does limit your resale audience. A lot of owners do not like porting at all. Some may even pay a little more for it. Porting is a hot topic of debate on this site from time to time.

Yes, your barrel is a 28" since it is marked mod choke. You can measure from the front edge of the receiver to the end of the barrel. It should be right at 28".

You have a great gun there with a cult following. There are a lot more people on this site that know more than I do about them, but I am still learning! I know quite a bit about this shotgun from all of the research I have done. One thing I know for sure, you have one of the highest quality, best built autos ever made. It's definitely a keeper.
 
#8 ·
Sounds like a very fair price. This gun may have been heavily used. It would be worthwhile to check out the internals thoroughly. Items to check or replace: bolt buffer, recoil spring, gas system parts particularly the gas seals and o-ring, etc. I have a 15xxx serial number gun with a late production Skeet barrel and a standard barrel with Tru Choke tubes. It's my all time favorite gas auto on skeet.
 
#9 ·
The screw that holds the rib on at the muzzle should be removed, the threads cleaned and reinstalled with red Locktite.
The buttstock appears to be the straight trap stock. If it is the trap version the drop will be 1 3/8 X 1 7/8". If it is the skeet stock the drop will be 1 1/2 X 2".
Be sure to put a new aftermarket recoil buffer in the back of the receiver. They are available from Wrights Gunsmiths.
You will enjoy this gun, they are considered the finest autoloading shotgun ever made.

CT
 
#11 ·
Clean out the trigger assembly with a spray like Gun Scrubber. Pull the bolt out and spray it out really well. Inspect the firing pin for proper operation. Try a couple of different brands of ammo it could be specs or primer depth.
If that doesn't fix it you may need to work with the firing pin spring, firing pin, or hammer spring. This gun is not hard to work on but if you aren't willing to learn repair you may want to take it to a smith. Nu-Line guns has parts and are friendly to work with.
 
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