Quote Originally Posted by RBruce View Post
Vi Shooter lists RIA bolts marked NS on the top of the handle and bottom of the handle. My question is are the letters individually stamped or stamped as a set like the N.S. stampings on later NS bolts?
RIA bolts are NOT marked "NS" on top or bottom of the handle. RIA bolts are marked "NS" on top or bottom of the bolt Safety Lug.

The "NS" letters are die stamped as a pair and are very close together, almost touching. No periods.

Hope this helps.

J.B.