yosuthnmasa, send me a PM or an email and we could work out details. I have the 4-40 screws and could get them to you (I have a source for them not even 5 minutes from my house if more are needed).yosuthnmasa said:you know I checked at HD for "4-40" bolts and could just not find them. Where did you get yours from? Could you send me a link to where I could find some with those specs and look the best on the outside of the receiver?
Those really are cheap aren't they. Thanks 762! By the way, would you happen to have a link for ones that are prepainted a dark color or black? Or rather, does McMaster carry ones that are black?7.62x39 said:Josh,
Anytime you are looking for hardware, this is the place to go.
The part numbers for the 4-40 bolts are 96710A215 for 18-8 stainless at $4.41 per 50 or 90022A110 for steel at $4.36 per 100.
The nuts are #90730A005 in Stainless at $3.48 per 100 or #90760A005 for steel at $1.38 per 100.
Not as difficult as the alternative, welded. :smile:yosuthnmasa said:Once you cut them off, won't it be pretty dificult to get the nut off if you ever needed to disassemble it?
I have been heating my rails to a dull cherry red and then quenching them in motor oil until cool. Then I clean them up and put them in my oven at 475 degrees for one hour, turn it off and then leave them in the oven until cool. They come out looking identical to the hardened military rails I have bought in the past. ak'sr4meyosuthnmasa said:Will a Propane torch like the one below give me the proper heat to harden my rails using Kasenit from Brownells? Otherwise, what would you guys recommend as a cheap alternative?