I came across a good deal on an older AI chassis for a SA Remington 700 and am interested in using it for an upcoming 6 GT build. Can someone identify this specific chassis so I can better identify parts for it? The cover is a Victor Company Viperskin. Secondly, It came with wobbly spigot bipod and a monopod. I'd really like to mount an Accu-tac, but I can't come up with a good way to do so. There is a slot in the bottom that looks like a giant keymod. I presume that is an accessory mounting point. Does someone make a picatinny adaptor for that slot? I found an Arca rail on Sawtoothrifles.com that looks like it will work, but its out of stock, and I'd rather have picatinny. I also saw an adaptor that replaces the spigot slot made by Anarchy Outdoors but it only fits an AT or AE chassis, and I don't think that is what I have. Hence my first question. Any help would be appreciated.
- Thread starter oakengineer
- Start date
What he said 
Looks like a couple generations before they came out with the AT AICS.
I had a AI AE MK III about 12 years ago which was roughly the same Gen and I ditched the thumbholes for the viper skins. Wasn’t too bad for it’s times. They also sold smaller/bigger grip inserts.
You can get the BT spigot mount that has a thumbscrew to tighten the spigot and then use any #17 bipod mount (atlas CAL, s-cal, PSR, etc)
If you want to use a picatinny rail for a accutac bipod then it’s also super easy, just get the BT picatinny rail that’s meant for the arms 17 hole pattern like the uses you can put on a AREA419 clamp.
Finally, mounting an ARCA rail might require some thinking. What I would get is a 8in AREA419 rail and drill/tap some aluminum plates with 10-32 screws. Kind of like these but bigger : https://www.shortactionprecision.com/products/b-t-anschutz-rail-nuts-bt28-n
You can remove the sling stud and use the threaded insert with a 10-32 machine screw so you’d only need 1-2 more attachment point.
You can get the BT spigot mount that has a thumbscrew to tighten the spigot and then use any #17 bipod mount (atlas CAL, s-cal, PSR, etc)
If you want to use a picatinny rail for a accutac bipod then it’s also super easy, just get the BT picatinny rail that’s meant for the arms 17 hole pattern like the uses you can put on a AREA419 clamp.
Finally, mounting an ARCA rail might require some thinking. What I would get is a 8in AREA419 rail and drill/tap some aluminum plates with 10-32 screws. Kind of like these but bigger : https://www.shortactionprecision.com/products/b-t-anschutz-rail-nuts-bt28-n
You can remove the sling stud and use the threaded insert with a 10-32 machine screw so you’d only need 1-2 more attachment point.
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