Vortex Optics Sure Fit Riflescope Cover Fits most riflescopes measuring 14  15.5 inches in length with a bell diameter of 2.25 inches or less. Protect your scope from the elements with a durable water and weatherproof SURE FIT cover. This stretch cover is easy to put on and keeps your scope clean from dirt, dust, and debris. Choose size large for these riflescopes: RZR-31802, RZR-31803, RZR-1572, RZR-1589, PST-3158, PST-3155, PST-3151, VHS-4308, VHS-4309, VHS-4317, VHS-4319, VHS-4304, VHS-4305, VHS-4307, VHS-4307-LR, VPR-M-06MD, VPR-M-06BDC Additional size Large riflescopes: DBK-10023, DBK-10025, DBK-04-BDC, DBK-412B, DBK-M-04P, DBK-10015, DBK-10019, CF2-31013, CF2-31015, CF2-31019, CF2-31021, CF2-31023, CF2-31029, CF2-31033, CF2-31039, CF2-31049