The Marines started using a new ACOG reticle in the Squad Day Optic (SDO) on the M249 Squad Automatic Weapon (SAW). After that, there’s very little comparison. 10 PREPARATION FOR USE Inspection It is recommended that the tritium lamp be checked prior to the use of the optic and The TA01 model is a great all-around optic for a rifle length platform. Unlike the RCO models which had a Chevron and Bullet Drop Chart (BDC) that went out to 800m, these have a BDC that goes out to 1000m. I finally figured out that I have a TA31TRD. There we go, that’s a modern loading! Let’s start with the beginning. Blah blah blah, let us talk about this reticle. The Trijicon ACOG and I are intimately familiar. Before we get too involved, we’ll want to cover the basics. With the horseshoe reticule, the diameter of the circle represents 19″ at 150 yards, the open cut at the bottom of the circle represents 19″ at 300 yards, and each subsequent horizontal line on the BDC represents 19″ at that range (400, 500, then 600). How to use ACOG reticles. The TA01 is calibrated for a 55-grain bullet traveling at 3250 FPS while mounted to the carry handle and is supposedly calibrated for Meters… BUT WHY DOES IT FIT SO WELL FOR THAT LOADING IN YARDS!? There are a variety of other models available and darn its hard to keep track of the ACOG Lineup. The Trijicon ACOG quickly became one of my absolute favorite pieces of gear. TA31 series (NOT F) follow the same BDC as the TA01, save for that these models are all fiber optic illuminated with a variety of reticle choices. This guy right here has done it. A civilian method would be adding a small led light. For those users who care about such details should know that it cannot make those changes from a no magnification reticle to a magnification reticle. Align the threaded mounting hole on the bottom of the ACOG®with the existing hole in the M4/M16 carrying handle. The original. BDC scopes work by using a reticle pattern that predicts how much a bullet will drop at a given range. Red crosshairs. Past that there is some divergence with M855 and 77 TMk. Reduced range zeroing can be done using the tip of the post at 33m/36 yards for the M16. Nice and bright, easy to alight with target. Assembled Product Dimensions (L x W x H): 8.25 x 6.62 x 3.62 Inches Another aspect of the ACOG is the option it gives the shooter to use of the Bindon Aiming Concept – or aiming with both eyes open. Lot’s to digest there. 8 1 18. comments. As previously explained, we have these 14.5-16.6 inch barreled guns, and 20-20.5 inch barreled guns. Weapon Light with the TA01. I’ve shot out to 1000 yards (~914m) with an ACOG and it is far from ideal for that job. It used this reticle with green illumination. The Marines started using a new ACOG reticle in the Squad Day Optic (SDO) on the M249 Squad Automatic Weapon (SAW). Many of these reticles will have a scale in the lower portion of the sight picture. Place the unit in a sealed plastic bag and contact Trijicon for return and proper disposal. The ACOG ECOS line features both of these … The PSO-1 features a reticle with "floating" elements designed for use in range estimation and bullet drop and drift compensation (see external ballistics).. It is a poor choice for rifle-length systems as M193, M855, and 77 TMK do not match the BDC well… in yards or meters. It used this reticle with green illumination. But without tac I prefer green dot because it has almost same contrast and a bit clearest picture. 6 or other environments, fiber optics is used to gather ambient light and focus on the reticle. Everyone. It appears to be, literally, an M855 BDC from a 20-inch gun rifle length system. Originally taken as a trade for banner space, I put it in my list of things to review.…read more →, The recent 4th of July clearance at Geissele gave me an opportunity to try a rail I wanted for some…read more →. Just as it was designed. This code is found at the bottom of the field of view when looking into the op-tic. The ACOG is available in a variety of configurations from the manufacturer with different reticles, illumination, and other features.Most ACOGs do not use batteries for reticle illumination, being designed to use internal phosphor illumination provided by the radioactive decay of tritium. Trijicon ACOG scopes come in five reticle designs. Read honest and unbiased product reviews from our users. but it was a poor fit and I had to make derpy 60 grain reloads to fit the BDC out of a 20-inch gun. There is no reticle bloom so precise shots are easy, and the tritium is often noted to be brighter than the fiber optic models. purchasing an ACOG from our site sponsor Brownells, Building the Parts Bin AR Part 1: Reliability, Classic Rifle Review: The Daewoo K2… Korea’s Answer to the AR15. So what other loadings can we fit into this model? It took me a while to feel out the various models, having sold off two simply because the minimalist reticle design is not my favorite. M855 is within a few inches of the BDC and it’s a good fit for the TA01. TA01 ACOG with Full target illumination. What are all these smaller lines below the BDC range lines? Then, youll need to position your sights eyepiece so that it displays a clear image. Augee. First Zeroing: Ideally you zero at 300m using the tip of the post. Gang Of “Urban Youths” Beat Woman & Cop At Mall, WHEN GUNS ARE OUTLAWED ONLY HIPPOS WILL BE OUTLAWS, The useless, worthless,greedy, crooked, parasitic slobs at the NRA speak up about pistol braces. But both have that excellent and addicting ACOG glass. To ensure that your illuminated sight is accurate, youll need to use a process called zeroing. With most barrel lengths in 223/5.56/308 if you zero at 300 yards it'll be within 2-8'' from 100 to 600 FWIW. Nice. but to the best of my knowledge, the below will help you choose a BDC and ACOG that will suit the role well. For a range toy, a cheaper optic will certainly suffice. Cross-hairs DONE Right! Find helpful customer reviews and review ratings for Acog 1.5 X 16 Ring and Dot Reticle with Short M16 Base Housing, Green at Amazon.com. The reticle doesn’t get lost in bright conditions. 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