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Posted: 1/24/2004 6:39:55 AM EDT
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I'm giving some thought to an ACOG for my 20" flat top. However, going through the Trijicon catalog is similar to looking in a can of alphabet soup. Can anybody give me the short course/cliff notes? Will leaving the fixed front sight on the rifle be a problem? Thanks for the input. SD |
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You really have to define what is the purpose of having the scope? If you are interested in bench work then the TA01 would work great for you. If you are interested in on the move "combat" shooting then perhaps the TA31 with the donut or triangle would be better? Then there is always the vast middle ground of optics that will do both but with noticable tradeoffs. Search in this forum and you will learn more about these products then even Trijicon could tell you. Good Luck, Gary |
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[b]You really have to define what is the purpose of having the scope?[/b] Bench work? Definitely not. For that I'd get a Nightforce that looks like something stolen from Mt. Palomar and weighs more than the gun. Just looking for a fighting optic that will help my tired old eyes out to 200 yards and not be so eye-relief & cheek-weld critical that it is useless at in-home distances. FWIW I have Aimpoints and Eotechs on my other AR's and AK's. Just looking for a little optical help out past 100 yards. Thanks again. SD |
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SD, Here is your scope! [img]http://www.trijicon.com/parts/1400.jpg[/img] [img]http://www.trijicon.com/parts/C955.jpg[/img] Lead Time: 14-16 weeks Details: ACOG 3.5x35 Scope with Red Triangle BAC Reticle - Features Dual Illumination (Fiber Optic provides daylight illumination and tritium illuminates reticle at night) and Ranging out to 800 Meters calibrated for 5.56 (.223 cal) Magnification: 3.5X Eye Relief: 60mm (2.4in) Exit Pupil: 10mm Field of View: 5.5 degrees Length: 203mm (8.0 in) Weight: 397g (14 oz) Field of View: 9.63m at 100m (28.9 ft at 100 yds) Adjustment: 15 Seconds of Angle per click (approx. 4 clicks per inch at 100 yds.) Reticle: 4 MOA high Red Triangle Tritium Activity: 100 milliCuries in one source Enjoy, Gary |
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[b]LastDefender[/b] Thanks much. That makes good sense for my application. Questions: What model number is that? Is there an equivalent model # for a flat top? What kind of mounting sytem does a guy need for the latter? Any potential eye relief problems with an A2 stock and flat top? Who are the good guys to purchase ACOGs from? Thanks again. SD |
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ACOG's come in two sizes - big (normal) and compact They come in two mounting types - AR carry handle and "special mounting" which can be adapted to weaver rails and some receivers. They come in three different reticals - crosshair, doughnut on a stick, and triangle on a stick. I thought there was four types ... CRS. So that's 16 models. The BAC is the light gathering tube on the side which illuminates some part of the retical using natural light. (yeah I know - the BAC is the two eyes open shooting thingie but Trijicon only puts the fiberoptic thingie on the BAC scopes) I went with crosshairs as (for me) they are fastest to find and cover the least amount of the target. I use the iron sights for shooting at people inside of 50 yards or so ... and use the crosshairs for harder to hit targets. The nice thing about the Trijicon crosshairs is that they cover 36" at 100 yards (18" is the width of the standard issue human COM) meaning that half the retical gives me ranging out to 100 yards and beyond. I went with the compact as I wanted something that would become part of the rifle rather than something hung off of it. I had a 2x and traded it in for a 3x and drilled another mounting hole a bit further aft in the carry handle. The iron sights can't be raised above 500 yards [rolleyes] [img]http://photos.ar15.com/ImageGallery/Attachments/DownloadAttach.asp?iImageUnq=11624[/img] At 200 yards the rifle is zeroed. Another 100 yards beyond that it's 6" lower, another 100 yards is 18" and at 500 it's 36" (actually 38"). |
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SD, The model ACOG I decribed is the TA11D. You will need to add the TA51 mount pictured here [img]http://www.trijicon.com/parts/TA51.jpg[/img] Other manufacturers make similar mounts and the wise men on this board may have options of whose mount is superior. Just to tempt you a weeeeeeeeeeeeeeeeee bit take a look at this ACOG. This is the TA11F with a the cheveron recticle. It comes standard with a flat top mount. [img]http://www.trijicon.com/parts/675D.jpg[/img] [img]http://www.trijicon.com/parts/79BE.jpg[/img] Here are the specs: Lead Time: 14-16 weeks Details: ACOG 3.5x35 Scope with Red Chevron BAC Reticle - The ranging reticle is calibrated for 5.56mm (.223 cal) flat-top rifles out to 800 meters. Includes Flat Top Adapter (TA51) Magnification: 3.5X Eye Relief: 60mm (2.4in) Exit Pupil: 10mm Field of View: 5.5 degrees Length: 203mm (8.0 in) Weight: 397g (14 oz) Field of View: 9.63m at 100m (28.9 ft at 100 yds) Adjustment: 15 Seconds of Angle per click (approx. 4 clicks per inch at 100 yds.) Reticle: Chevron is designed to be zeroed using the tip at 100 meters. The width of the chevron at the base is 5.53 MOA which is 19" at 300 meters. This allows range estimation for silhouette targets. Tritium Activity: 100 milliCuries in one source These decisions are never easy are they? Good Luck, Gary |
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Let's see...the two optics dealer's I've done business with are Donny at Sable Co [url]http://www.sableco.net/store/[/url] and SWFA [url]http://www.swfa.com[/url] This is in no way a complete list of the fine dealers who sell to our membership. It only represents the few whom I've had the pleasure of doing business. I would recommend hitting the Industry forum and contacting the list of dealers via e-mail for their best price on the ACOG you want. Now...remember after your purchace you owe us all a picture of the new scope atop your rifle. Enjoy, Gary |
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Actually ACOG come in three sizes. The compact, TA31 and TA11 series all feature BAC and reticles illuminated by fiber optics and tritium. Compacts models have the crosshairs, triangle and dot (not a circle, its enclosed) reticles. They feature BAC, but no BDC. Magnification comes in fixed 1.5, 2 or 3X. Mounting options include a special ring model and carry handle mounting (with flattop adapter available). The TA31 series are 5" long and weight 8 oz. There reticles include the circle (doughnut), triangle and chevron atop a post with BDC calibration hash marks out to 800 yards. They are fixed 4x magnification, with BAC and 1.5" of eye relief (more like 2"). The TA11 series have the same reticles, BAC and BDC as the TA31 series, but are 8" long and weigh 14 oz. The are fixed 3.5 magnification and 2.5" of eye relief. Both the TA31 and TA11 are carry handle mounted or flattop with appropriate adapter. The TA01 models are the same size as the TA31s and mounted in the same fashion, but do not possess BAC or fiber optic illumination. They are all 4x magnification, crosshair reticle with BDC hash marks and tritium with a little more eye relief than the TA31s. |
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Quoted: Actually ACOG come in [s]three[/s][red][b]FOUR[/b][/red] sizes. The compact, TA31, TA11, and [b][red]TA55[/red][/b] series all feature BAC and reticles illuminated by fiber optics and tritium. The compact, TA31, and TA11 series is what you should be looking at though. While TA55 appears to have good eye relief and a large "sweet spot" on paper, I have never handled one. Also, it is huge and is more suited to a 308. |
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