This is a Keystone Sporting Arms Rifle Scope known as the Quick Focus, model KSA054.
4 x 32 Quick Focus" Rings are included" Mil-Dot Reticle" Factory Pre-set at 35 yards" can be adjusted for up to 100 yards" (NOTE: Stationary Mount Base is required to mount scope to rifle).
Features:
Quick focus 35-100 yard scope
Rings are included
4X magnification