If you are looking for great shop. And the most reliable.
We recommend that you buy from the store Brownells
The Accu/Level scope level clamps directly to the scope tube to help you correct cant error for a dead-on true vertical hold that improves accuracy. Bright fluorescent yellow bubble-level pivots out into the open position for immediate use and swings back over the top of the scope for storage. Models available to fit 1 30mm and 34mm scope tubes. Accommodates both left- and right-hand shooters. Ring clamp holds tight with two stainless steel Allen head screws. Integral accessory dovetail accepts the Strong Arm Mount for attaching a cosine indicator to your Accu/Level. Mfg: Flatline Ops Inc. SPECS: 6061 T6 aluminum Type III hardcoat anodized matte black. 9/16 (1.5cm) long x 2 1/2 (6.3cm) wide (closed) 4 (10.2cm) wide (open) .Read More