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General | Read More | ACOG/JPoint

Trijicon ACOG® with Custom JP Reticle System

Sturdy, simple, reliable and accurate, the Trijicon ACOG® is simply one of the finest combat optics ever made, but there was no reason this scope need be relegated only to the battlefield. The JP custom reticle design takes all the battle-ready advantage of the original TA01 while adapting the ACOG® into a premium competition optic with a handful of key changes:

  • recalibrated trajectory map to match flattop receivers and high-performance, match-quality loads
  • recalculated trajectory map for 2000 ft. altitude instead of sea level
  • uncluttered reticle for easier use
  • revised stadia lines to optimize point-of-aim/point-of-impact shooting between 25 and 230 yards with no holdover/unders
  • wind declination system replacing torso range finder

Read more about the evolution of this competition-dominating reticle here.

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Trijicon ACOG® with Custom JP Reticle System

Highslide JS As great as the scope is, the Trijicon's standard TA01 ACOG® was designed primarily as a medium-range combat sight that is not ideally suited for competition use. Despite the advantages of its quality construction and durability, many features of its reticle needed to be reassessed and revised to make it suitable for the exacting demands of game gun use.

Revised Mounting Height

Because it is intended for mounting on an A2 handle mount position rather than a flattop, the trajectory map for the standard ACOG® is not appropriate for a low rail mount height. This causes it to become increasingly inaccurate at longer ranges. The JP reticle tailors the trajectory map to the 2.5" overbore height achieved by flattop mounts like the Trijicon TA51 or our own JPTA-FTM.

Ammunition Expectations

Just as with the rail height, the JP reticle assumes the type of high-performance loads used to maximize long-range performance in the most demanding of match scenarios. In particular, with our 1:8 twist Supermatch™ barrels and the Sierra 77gr. BTHP or Hornady 75gr. match bullets, high kinetic energy can be delivered with precision on steel targets at long ranges. A 1:9 twist rifle running 69gr. match bullets will also result in a very close match. In fact, out to 300 yards, any load combination will be a very close match so you can still shoot the cheap 55gr. ball ammo if you don't want to load your own or don't want to buy the premium ammo now loaded with these projectiles.

Recalibrated Elevation

Like so many reticles, the ACOG® is calibrated for sea level use, which is exceedingly rare for practical rifle matches. This is an often overlooked aspect of trajectory mapping systems. Most matches take place in the western states at 2000 to 5000 feet, not at sea level. When shooting at 400 yards or more, this can mean the difference between a hit or a miss. So, the JP reticle is calibrated for 2000 feet, where most critical shooting is done.

Revised Stadia Lines

Having the 100- and 200-yard stadia lines on the original ACOG reticle so close together makes for a cluttered field of view that's impractical for rifle competition where speed is such a priority. For most of your match shooting, which will be at ranges less than 300 yards, the original TA01's fine-tuned trajectory map will not offer any advantage.

To alleviate the clutter, the 200-yard line of the JP reticle has been eliminated to clean up the view and avoid confusion. The main stadia line is now the 200-yard zero, which allows for point-of-aim/point-of-impact shooting from 25 yards to about 230 yards without having to think about holdover/under. This covers about 80% of your shooting demands at a typical match. The loss of the 100-yard line is largely inconsequential because the 100-yard point of impact with a 200-yard zero will only be about 1-1.5" inches high, which isn't too much of a burden to bear for the increased ease of use.

Wind Declination System

The standard TA01 has a torso range-finding system built into the length of the 300-, 400-, 500-yard stadia. For competition use or any civilian application, though, that feature is useless. Torso targets are almost never positioned beyond 200 yards at a match because we simply don't have time to score and tape them. This is where reactive self-setting steel targets see use instead.

Far more valuable to a competition shooter is information about wind hold-offs. Therefore, the range finder has been substituted for a wind declination system in which the length of the 300-, 400-, 500- and 600-yard stadia correspond to 10 mph right or left crosswind. With a little experience, you can extrapolate most wind-related hold-offs encountered under typical match conditions, which is a very useful feature.


The combination of the Trijicon ACOG® with a piggyback JPoint® has been one of the most effective and successful sighting systems in use by Special Operators in the Afghanistan and Iraq theaters. The arrangement of these two systems allows for extremely fast two-eyes-open, reflexive short-range and precision long-range engagement, as well as ease of target identification.

The key to this setup is our JPA-TANSN mount, which positions the JPoint® as a highly effective short-range reflex sight. This mount attaches directly to the Trijicon TA01NSN ACOG® by replacing the existing rear aperture rear sight. On other models such as the TA11 or TA31, which lack this rear sight feature, the JPA-TAS lower strap can be used to clamp the assembly to the scope body.

Available as individual items to upgrade your current ACOG® scope, the entire ACOG®/JPoint® package is also available pre-assembled on our JP-reticle ACOG® with a JP flattop mount and custom-contour Scopecoat cover to match.