Williams Foolproof T/C Contender Receiver Sight Fp-T/C

Internal micrometer adjustments lock positively to prevent accidental movement of sight setting. No obstructions to impair and blot out shooter's field of vision. Weighs only 1A 1/2 oz. Standard hole spacing to fit rifles factory drilled and tapped for receiver sight. FOOLPROOF TARGET KNOBS - All Foolproof sights (except TK models) use the Short Elevation Knob. The Long Elevation Knob is for use with Foolproof-TK target sights. The Elevation Gib Lock Knob fits both standard Foolproof and Foolproof-TK models Mfg: Williams Gun Sight SPECS: Aluminum, black, anodized. Steel screws. This may require fitting by grinding the tip of the threads to fit some sights.