The barrel, in order to ensure the chamber is 100%, has to be pulled. On these rifles, the barrel has a lower bracket/collar, and it is held in place with a single bolt. Of course, to get this far, you have to remove the action rod and spring, as well as the hanger, but I forgot to take pics of those. Anyway, here is the barrel nut:Get the best deals for remington 742 barrel at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. ... Remington 742 - 7400 BARREL TAKE DOWN NUT WRENCH . Brand New. $59.95. Buy It Now. Free shipping. 18 watchers. Watch; Remington 742 30-06 Barrel. Pre-Owned. $140.00. or ...Barrel info: Barrel vise and wrench (Started: Dec. 31 2013, 13:10 ET, Last post: Jan. 3 2014, 14:30 ET) Barrel vise and wrench: Model 70 fire array disassembly tool (Started: Dec. 7 2013, 13:03 ET, Last post: Dec. 30 2013, 00:29 ET) Something to do on a cold day