The TA31RCO-M855 is an Advanced Combat Optical Gunsight (ACOG) designed for either the USMC M16A4 weapon system (20â barrel) or the M16M4 (14.5â barrel). Model Characteristics 3x30 ACOG® â This model is a perfect balance of magnification and eye relief. In my years of use, we used the ACOG for everything, from long range engagements to room clearing. Michigan Center, MI 49958 I was issued a Trijicon ACOG for five years while I served as a United States Marine. The only role the ACOG may not do well in is the long range role, with engagement distances beyond 600 meters. Trijicon ACOG ® 4x32 BAC USMC RCO Riflescope - M16A4 / M16M4 Red Horseshoe/Dot Reticle, LaRue Tactical ® LT799 Mount, Tritium / Fiber Optics Illuminated The SCO is a magnified day optic that improves target acquisition and probability-of-hit with infantry assault rifles. I could type up an explanation, but it would be easier for me to copy and past from the USMC own Squad Weapons manual. The illumination will reflect and make […], […] is famed for their tough as nails ACOG optic, which is the standard of the United States Marine Corps. Great range piece and I use it for hunting. Joined Jul 2009; Posts 1629; EE Offline; IN, USA. Try Prime. The optic costs as much as the weapon, and is used hand in hand on every range […], […] designed for a particular rifle and particular cartridge. The holdovers are a small straight line that gradually decrease in size. I know they are different from the scopes you used in Vietnam(35 years ago), and I want you to know that there are 2 stadia line segments to the left and right of the red, fiber-optic illuminated, chevron in the middle. I canât remember what the large horizontal stadia are for though. About ACOG (Advanced Combat Optical Gunsight) Riflescopes: Trijicon ACOG riflescopes are internally adjustable, compact telescopic sights with tritium illuminated reticle patterns for use in low light or at night. This allows the aiming â¦ The optic kept working. Tmender03. The Trijicon RCO has become standard issue across the US Marine Corps and many US Army units as well. Mounting and zeroing a scope can either be a nice and easy day with plenty of time shooting and scoring bullseye, or it can... ï»¿ Account & Lists Account Returns & Orders. It`s no wonder why Trijicon ACOG is go-to scope for US army. My ACOG was 4 power and utilized a chevron style reticle. This scope had a BDC for the rifle and the carbine (or the Para-SAW and the standard SAW). As previously explained, we have these 14.5-16.6 inch barreled guns, and 20-20.5 inch barreled guns. The Bindon aiming concept works by using both eyes the brain superimposes the aiming reticle onto the target, Magnification does not become an issue although the optic is effectively 4 power. The waterproof (to 66 feet) optic has a 7075-T6 aluminum housing and a first focal plane reticle that allows subtensions and drops to remain true at any magnification. This lets the USMC have a single ACOG that can work on the M4/M4A1, M16A4, M249 (regardless of configuration), and the M27 IAR. If the line fits between a man’s shoulders that’s here you need to hold to hit him. If put in a vice. Other than the USMC Acog having a red reticle and the Army having green are there any other differences im missing? The USMC calls them the first-ever Rifle Combat The clincher? For a police officer looking for a patrol optic or an average Jane or Joe looking for a do anything optic itâs hard to beat the ACOG. I can't recall how many... 3920 Wood Duck Drive Pelkie, MI The Trijicon ACOG quickly became one of my absolute favorite pieces of gear. Note the narrower lines below the marked lines. First of all, we both no the difference between half and full lead, as well as the 2 ways to engage(tracking and ambush), BUT you are wrong about the horizontal stadia line. It has it all - its design is completely foolproof, glass provides clear picture and ensures steady shot. Using standard ball ammo all I as a shooter had to do was place the appropriate bullet-drop holdover on my target and pull the trigger. This allows the aiming point to always be illuminated without the use of batteries. The ACOG's combine traditional, precise distance marksmanship with close-in aiming speed. At close ranges, and I’m talking close quarter battle ranges, the optic is still capable. This is a do anything optic designed for a do anything rifle. No tools are needed for windage and elevation adjustments because the [â¦] Using the optic with both eyes open the scope acted efficiently as a red dot optic. ACOGs are remarkably durable. The ACOG can submerse to a 100 meters, which is an extreme distance for a rifle scope. And both are 4×32, not 3.5×35. However, the Mark AR Mod 1 is also less than half the price of a […], […] are being taught from day one in boot camp how to use a rifle combat optic like a Trijicon Acog ( click here for our review […], […] For example Trijicon makes optics that are nearly bulletproof, you can almost guarantee that an ACOG will still be […], […] my time as a Marine the standard issue rifle was the M16A4 or the M4 with a Trijicon ACOG mounted to the top. SKU: N/A Categories: Optics, ... the unique reticle pattern provides quick target acquisition at close combat ranges while providing enhanced target identification and hit probability out to â¦ Utilizing this optic at five hundred yards I was able to effectively hit a man sized targets consistently. For example, there are tons of different Trijicon ACOG’s because they are built for a certain barrel length, and a certain bullet weight and cartridge […], […] Source: Trijicon Acog 4×32 Review […], […] quarters battle weapon, that being said, it has range limitations. I feel like I would be insulting your intelligence to explain how to use it. Review: Testing EoTech G33 3x Magnifier On Our XPS2, A Guide To The Best Hunting Scope in 2015 | RifleOpticsWorld.com, Why Trijicon Acog 4x32 Clones Equal Useless Crap | RifleOpticsWorld.com, Hands On Review: Leapers UTG 3-9x32 Bug Buster | RifleOpticsWorld.com, Mark AR Mod 1 1.5-4x Review - Leupold AR Platform Scope | RifleOpticsWorld.com, Getting Started: Long Range Shooting With Iron Sights | RifleOpticsWorld.com, 4 Rules To Follow When Trying To Buy An Used Optic | RifleOpticsWorld.com, How To Clean Your Rifle Scope & Perform Maintenance | RifleOpticsWorld.com, How To Successfully Use 1 Scope With Multiple Rifles | RifleOpticsWorld.com, Russia & CIS Defense Policy Blog » USA Soldiers Using Latest Acog Optics, Russia? And doubled as a fixed 4 power optic is variable in power, Marines can identify their targets farther... Bdc in each scope, but I don ’ t clear How to use it for hunting, for defense. 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