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Tri Rail Extensions for FN SLP Now Shipping!

4K views 14 replies 8 participants last post by  groovinpickle 
#1 ·
Courtesy of Bart's and FN, I received my long-awaited tri-rail extension yesterday. Determination of the best light is ongoing. This is a very nice piece of gear that will add to the flexibility and utility of an excellent shotgun. Here's two quick snaps:



 
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#12 ·
Bukwild CTO2 said:
thats very steep for a universal rail sold at about any gun store and all gun shows. better off checking around before spending 135.
It isn't a universal rail, it's a magazine extension with built in rail, which will be more solid than a universal rail that clamps onto a magazine extension. If you compare the price of a quality extension plus the cost of a quality clamp, the price is pretty reasonable as well.
 
#13 ·
To add to TempestV's points, with which I agree, I can tell you that the level of quality on this item is premium. As a hobby machinist I can tell you that the setup time to put one of these things together correctly the first time would be pretty significant. All things considered, though not cheap, I think it's priced fairly. The design is truly excellent and adds a lot of utility for lights and other accessories.
 
#14 ·
For what it's worth, here's a picture that used to be on the FN website. This shows, I believe, the Mark 1 version. The version for the short-barrel standard version has a shorter sleeve. The assembly consists of an replacement aluminum tube with the three rails secured with screws. Installation is a snap - just unscrew the magazine cap, remove the issue sleeve and replace with the Tri-Rail assembly, then secure the mag cap. Making one of these things would be a bit of a job unless you do this every day. Even then, you'd need to either make a new sleeve or figure out how provide enough material on the existing sleeve to securely thread the screws into, since the issue sleeve is quite thin. The Tri-Rail sleeve has thicker sections under the screws to provide enough support for the screws to withstand recoil. You can see these in each of the three pictures.

 
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