Universal Picatinny Vent Rib Mount Shotgun Accessories for IZH-27,MR-153/155, MP-233, TOZ-120, MTs21-12, TOZ-84 carbine Size:Short The holes in between the

The holes in between the rails are vent holes

Night fill light mode

E:    45mm

58oz / 130g 9 inch 8

Optimal Clearance to Fit All Tactical Scopes Right on Top of Bore Centerline

Universal Picatinny Vent Rib Mount Shotgun Accessories for IZH-27,MR-153/155, MP-233, TOZ-120, MTs21-12, TOZ-84 carbine Size:Short The holes in between theNote: We have added 2 sets of screws of different lengths to this Vent Rib Mount Adapter to fit for more models. The additional screws are only limited to new orders shipped from China currently. Fit For: IZH 27,MR 153 155, MP 233, TOZ 120, MTs21 12, TOZ 84 carbine, NOT fit for TOZ 34. This Ventilated Rib Picatinny Rail is designed to work with Shotgun Ventilated Rib (no wider than 7. 9mm . 31 inch). The length of the picatinny rail is 55mm 85mm,