50-59mm

Leupold VX-4HD 3-12x50mm CDS-ZL2 Riflescope – Multiple Reticle Options

Vortex Triumph HD 12×50 Binoculars

Pulsar Trail 3 LRF XQ50 Thermal Riflescope

Trijicon Credo HX 4-16x50mm SFP Riflescope – Red/Green PowerDot Hunter Holds Reticle

Trijicon Credo HX 2.5-15×56 – Red/Green PowerDot BDC Hunter Holds Reticle

Trijicon Credo HX 2.5-10×56 – Red/Green PowerDot BDC Hunter Holds Reticle

Nightforce NX6 4-24x50mm F2 Riflescope

Nightforce NX6 3-18x50mm F2 Riflescope

Leica Amplus 6 2.5-15x56i L-4W MOA Reticle

EOTech Vudu 5-25×50 FFP Riflescope – MD4 Reticle (MOA) Tan

Wave Infrared Atris 650 LRF Thermal Imaging Scope

InfiRay Outdoor HCH50R Hybrid Compact Multifunctional Thermal Optic