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Trijicon ACOG PG31RCO-M4 4x32mm Scope Red Chevron Reticle Dual Illumination Black

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The Trijicon fixed-magnification ACOG (Advanced Combat Optical Gunsight) line of rifle scopes represents one of the most durable and versatile optics in the world. It combines the precision of telescopic rifle sights with speed that rivals red dot sights thanks to its ingenious BAC (Bindon Aiming Concept) reticle. Dual-illumination is provided by tritium for low light or night time use and fiber optics add any available additional light to brighten the reticle to appropriate levels to match any situation.

The TA31RCO is an Advanced Combat Optical Gunsight (ACOG) designed for the M4 and M4A1 weapon system (14.5" barrel). Designed to the exact specifications of the United States Marine Corps, the unique reticle pattern provides the shooter with quick target acquisition at close combat ranges while providing enhanced target identification and hit probability out to 800 meters utilizing the Bullet Drop Compensator.

Specifications and Features:
4x magnification
32mm objective lens
Red dual illumination
1.5" eye relief
8mm exit pupil
36.8' field of view at 100 yds.
Parallax-free reticle
Multi-coated lenses
Eye relief accommodates large-caliber ammo
Tritium illuminates reticle in low- or no-light
Fiber optics illuminate reticle in bright light
Internally adjustable
Bullet-drop compensator
Aim w/both eyes
Quick target acquisition
Forged 7075-6 aircraft aluminum alloy
Waterproof up to 66'
Withstands 8,000 G's
5.8" long
15.1 oz.
Made in USA
15-year warranty


Item#: 18267
Total number of Reviews: 4

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5.0 5
"This scope is amazing, I used this exact type scope in Iraq, and loved it so much, I bought an M4 when I got back home and this was my second purchase after that. Optics are crystal clear, rubber housing adds durability. Some are not willing to spend twelve hundred on a scope, but this one is definitely worth it. You won't be disappointed."
5.0 5
"I'm going to have to agree, Ive used the same optics in Iraq on my M4 and haven't had a single problem and never let me down. The scope is durable enough to take a beating and still hold its zero. The ranging ability is outstanding and is another great feature. I purchased one of these for my own AR and will never get any other optics for it. As for the price, the quality, dependability, durability, accuracy justify the price, Trijicon did it right."
5.0 5
"This is an excellent buy and I can only echo the previous review. I have mine on an M4 also. Dead nuts on @ 500 meters. Great in low light conditions, target acquisition is phenomenal close in as well as down range.Semper FiYou will die,I will die a Marine."
5.0 5
"I just got this scope last week after reading tons of positive reviews. I got it zeroed in tonight and tried a couple long range shots to test it out. At 400m it puts rounds well within a kill zone on the target. The bullet drop compensator is just about as close as it can get. The long range shots were taken at dusk with sun fading behind the horizon and I had no problems seeing the target. The site is extremely clear and visibility down range is excellent. It was worth every penny I spent!"