No tools are needed for windage and elevation adjustments because the Trijicon TA31RCO-M150CP 4 x 32 ACOG Army Rifle Combat Optic (RCO) w/Red Dual Illuminated Reticle features external windage and elevation adjusters, making it waterproof up to 11 meters without caps.

• Forged Aluminum housing material
• TA51 mount (Included)
• Included with the TA31RCO-M150CP:
• Thumbscrew Flattop Adapter
• RCO 4 x 32 ACOG Pouch
• 4 x 32 Army RCO killFLASH
• 1 set of Flip Caps
• Adjuster Cap Lanyards
• Lenspen
• Trijicon Logo Sticker
• RCO Manual
• Warranty Card
• MAGNIFICATION: 4X
• OBJECTIVE: 32mm
• BULLET DROP COMPENSATOR: Yes
• ILLUMINATION SOURCE: Fiber Optics & Tritium
• RETICLE PATTERN: Chevron w/Target Reference System
• DAY RETICLE COLOR: Red
• NIGHT RETICLE COLOR: Red
• CALIBRATION: .223
• BINDON AIMING CONCEPT: Yes
• EYE RELIEF: 1.50"
• EXIT RELIEF: 8mm
• FIELD OF VIEW @ 100 yds (ft): 36.8'
• ADJUSTMENT @ 100 yds (Clicks/in): 2.00
• Made in the USA

COLOR: Black