what is extreme temp spread in rifle powder?

The sling might need adjusting to your arm length. Next time you sling the rifle, see if you are nudging the bolt open with your upper arm or elbow. This could also happen while you are carrying it slung. The easiest cure for that is to lengthen the sling until the bolt handle is just below your ...

There isn't any "one size fits all" gun powder for rifles, shotguns, or pistols. Your best bet is to go to a sporting goods store that sells reloading supplies and pick up a reloading guide for the caliber rifle you want to reload for. Some powder manufacturers supply a small reloading guide free ...

Try to google it.

Try at this site. They sell lots of stockmaking tools and accessories. www.brownells.com Here's another place that could have what you're looking for www.gunpartscorp.com

The answer to your question could most likely be found on http://www.takdriver.com Just sign up as a member (its free) and ask on there and you will probably get a lot of responses from the other members

The serial number is not on the barrel. It might be under the stock or somewhere on the receiver. Search for it.