I will not have to make adjustments to compensate. Here's a chart that shows the BLK and the Grendel's trajectories, assuming a 100-yard zero: . (We also did offensive night ambushes and that's when the Claymores did the initial 'shock' 'aiming' for us. So I put a aimpoint sight on my pistol build. Well, then go out to 300-yards and zero your gun. Roughly an inch low at 25 yards. Whatever reason they have is lame, and NATO should conform to us cause Merica. And would use a 50 yard zero for the .300 blackout upper I want to . Thanks for breaking this down. Personalize your experience. Calculate a dope table with whatever zero floats your boat, tape it to the butt of your rifle, or, shrink it to fit within a rifle scope lens cover or do what I do and use a wrist coach (much larger and much easier to log dope in 25 yard increments), use some form of range finding, and learn to adjust for elevation (and windage, if you have a ballistic calculator). Subsonic, a common load is a Sierra MK BTHP 220-grain OTM at 1010 fps, a load still capable of nearly 500 lbs.feet of KE. Chris Costa shooting 300 Blackout. The last deer he got this last Saturday night was a big doe at 120 yards. It seems like a 1-trick pony subsonic or nothing at all.. We'll only use the information provided according to our privacy policy. Lets see, the 7.6239 has been an awfully effective man-killer for over 60 years and the 30-30killed more deer than any cartridge ever. are you talking subsonic or supersonic loads? If you want to hunt with an MPBR, rethink these numbers based on the target size and the caliber youre using. .338 250gr bullet @1100 fps with a 75 yard zero keeps you within about 3" high or low from 50 to 100 yards with about 600 ft/lbs of energy. 300 AAC/Blackout arose in the 2000s during GWOT out of military requirements for an individual weapon which would hit harder than the standard-issue M-4 carbine in 5.5645 NATO, but without a substantial increase in weight, or the need to issue an entirely new weapon system. Check this out: X95 with EOTech on Unity Tactical FAST mount ~ 4" optic height over bore total. I was surprised not to see the 100YD zero listed; a lot of sights with integral BDCs call for it. :), Thank you for catching that typo! Im regularly singing steel at 250 with my 300 BLK rifle, with a nice +3.4 Mil hold. At closer ranges, from 100 to 250ish, youll hit high but still within 5-inches of your zero. If you take a look at the target you will see thick gray vertical and horizontal lines that intersect at a black circle. When I crunched the numbers off the depiction above, for a 16in barrel, the 50 yard chart showed the far zero looked to be around 225 yards, . The 25-yard Zero. It was a point of contention on qual day. I then bench rest check it at the range at actual 50 and 200 yards and some other distances in-between those and sure enough its within 2 inches of point of aim and dead on at 50 yards. IIRC, the USMC M16A4 battlesight zero is a 36/300 yard setup. Or, in other words, just about anything in South Texas (where I live). Increased optic height + X95's height over bore do stretch the overall POI about 2.5 - 4" apart compared to standard 1/3rd co-witness optic height. Accuracy has been 1 MOA or less with it. And again next, this -1.9 inches POI below POA Proctor and everyone else is using is for a sight height above bore of 2.5 inches for an AR and not the standard 2.6 inches for an AR and it makes a difference as does the ammo being used. This provides a trajectory with a maximum ordinate during flight of just over 4.5" above the line of sight at around 200 yards. The cavity is capped and filled by a flat-nose polymer insert. This is known as height over bore. The what? I dont mean to be, well, mean. Thanks! I personally use a 50 yard battle zero for my 5.56 / .223. Anything longer, be a hunter & move your ass closer. Although the Marines adopted the ACOG, which uses meters as its BDC, we still shoot in yards. This should pretty much get you hogs (if that's what you are interested in) out to about 200 yards with fairly accurate shots. . A 125-grain OTM leaves a 16-inch barrel @ 2215 fps, with a 110-grain Hornady V-Max @ 2375 fps. The Trijicon 300 AAC Blackout optic, like most other ACOGs, is a fixed power magnification design. Not humane. Temperature (F) Maximum 140F; Minimum -40F. . I have a suppressed .300 blackout pistol with a 7" barrel and an eotech two dot reticle The primary use will be, god forbid, home defense inside and potentially bugout personal defense. How does an article published 2 days ago have comments posted from 2 years ago??? To better understand MPBR, we need to talk about ballistics and how a round flies through the air. Boom flop. Whats the problem? It's just holding the sport back. With the 50/200 zero, I should be able to place my front sight, red dot, or reticle in the middle of a target and hit it at ranges between 50 -and 200-yards with excellent precision. The 11.5 MOA version has a usable Second Zero range from about 480 to 540 . It was an 1873 Springfield trapdoor carbine in .45-70 and it kicked an 11-year-old kid like a Missouri mule. I will primarily be shooting 300 BLK subs with a suppressor. I urge you to finish what youve started here. So actually measure your sight height above bore and make sure because a lot of people with standard height above bore of 2.6 inches are taking for granted the -1.9 inch 10 yard zero method and getting deviations they try to reconcile at 50 and 200 yards when their actual second intersection is beyond that and they are actually probably zeroed but don't realize it because they take the 2.5 inches and 50/200 yard as gospel. It can go below, or above it depending on the range of your target. We also provide adjusted range versions for those who only have access to a short range (25 yards), but want a 50/200 or 100 yard zero. But over years I heard aim low or aim high at this or that. I only shoot subsonics in my .300 BLK, so it's zero'd at 100 yards. Astute observation! 6.5 GRENDEL: 300 BLACKOUT : Bullet Velocity (Muzzle) 2,580 ft/s. Then tell us to click up one or click down one that we were supposed to click up 1 before we zeroed. And, it all fits in your AR-15 envelop with only a barrel change. . Additionally it is superior to 5.56 for hunting with supersonic (to limited distances) and fits in the mags you already have. Get Our Top Shooting Drills and Zeroing Targets ($47 value - but FREE for a limited time). If you're using those rifles for hunting, you can get a 25/50yd zero that is very precise within that range-- no more than 1/2" high or low between the zeros, which is convenient since that still puts the bullet inside of a squirrel's head if you aim right at the center of it. I know it's fun, but It's probably better to just practice enough with your main 'go gun' so that you can hit your target out to 100 meters with 90% plus efficacy While you are practicing moving to cover or flanking. He obliterated the rock because the ACOG sat 2.7 inches above his boreand he just couldnt see it. Let us also consider another popular cartridge for a self-defense rifle, namely 7.62x39mm. Its simple as the round meets the line of sight at 36 rising then 300 as its falling. I was using the wrong height above bore and taking the -1.9 for granted. Well to me this is real funny.I have 2 Ati 300 blackouts & love them.I use 125 grain p.p.u. Remember, it's all a different pile of shit than a stationary target that's not shooting back to 'interrupt' your 'well-placed' battlefield zeroed group shot, LOL! A spotter with rangefinder helps, but I still don't deviate much from POA. All have dropped on their tracks but one and it ran 60 yards and piled up. Those units stopped being updated a long time ago. I missed several at first before my grandfather took me in hand and explained about trajectory and holdover. I still shot well. That said, it brings slightly less range than the USMCs MPBR zero. The 36-yard zero is a versatile option, providing an optimal balance between close-range and long-range shooting. In the brush, you need to be ready to shoot quickly, with no time to use a rangefinder and adjust scope DOPE or even to mentally calculate your reticle adjustment (holdover-under), as Tom's comments below confirm. But not as well as I could have understanding the arc. What caliber should I use for hunting over 100 yards in the AR platform? One note - StrelokPro for android shows up as an $11.99 app on the store. These factors clearly indicate the .300 Blackout's superior performance over a cartridge that was previously classed as "Gold Standard.". Shot the 300 BO the other day as I am dedicating this rifle to subsonic only. Compare ballistics data on your favorite Winchester Ammunition rounds. This is different: "Subsonic eXpanding.". Do I favor the 36 to 300-yard zero because I used to be a Marine? It's also something that only needs to be done in whatever your favored flavor of range is, yards or meters. and AR's with EOTechs and red dots, get sighted in at 100 yards. While having a chunky projectile is a nice improvement over the standard 5.56 cartridge, it does mean that you lose some muzzle velocity. You are talking about the 10 yard zero method where the correct zero for first intersection with LOS is 50 yards. Here's why . You have entered an incorrect email address! My upper is from SOTA Arms. I had always expected the rounds to be grouped around -1.9 below aim point at 10 proctor said so would adjust for that but then at 50 yards i would be off from where it should have been grouped so i would need to rezero at an actual 50. Inches MOA MIL Calculate. All charts show a 100 yard zero unless otherwise specified. My sight over bore is about 2.7 with a T1 or low power variable in a ADM Recon mount. 36 yard zero covered by a CD (4.65") out to 300 yrds. Except when they sometimes attacked our base camp and got inside the wire at night, but no stand-still 'battle sight' aiming, other than rapid point shooting usually while moving. For better or worse, the 36 yard zero is basically a hybrid that flattens out the St. Louis Arch of a trajectory the 25 yard zero creates while still providing a decent maximum range. So, since I already have a 5.5645 AR and .300 blk AR. I don't see their free version on Apple anymore though, just the plus and pro versions :( Apple Link. At this point I think finding ammo for a 300 is more difficult than zeroing one. My question is with a Trijicon ACOG BDC being in meters it sounds like I have to do math for BDC accuracy if I use the Merica system. Frank Proctor has a great video on that below. Additionally, that incline maximizes the range of your weapon. All imperial units are metric, has been for nearly 150 years. Hand-Picked Daily GUN DEALS, and Exclusive Coupons Codes >>>, Ballistic Coefficient of the projectile (read more about that. It's just making the connection between shooting sports and physics education that much more difficult to draw, and that's a connection we should be strengthening. At 150, the round has dropped 6 and a half inches. Good questions. The terminal ballistics have got to suck. The 36 yard zero wins. Knowing my bullet's MaxOrd distance, all other points before and beyond that distance will be below my PoAim and easier to calculate in my head, since I Do have time to calc and aim.. Ps. The 36 yard zero idea was initially introduced to the community by Shawn Ryan (Vigilance Elite) Former SEAL. This time with more of an 'advantage'. It's really a 50 yard/200 meter zero and not a 50 yard/200 yard MBPR, its actually a zero. 7.62x39 requires a much larger bolt face and this makes for a thin-walled bolt that can and will break easier. It was designed to be used in AR-pattern rifles with only a barrel change to convert a traditional AR-15 rifle from 5.56 NATO. It provides a load comparable to a .30-30 or 7.6239 that functions perfectly in an AR-15. Elevation Windage Units. But the overall travel is further. anything extra and your . Anywho the Armys zero is comparable to the USMC, offering similar range potential. Grab a collection of his stories in "A Fine and Pleasant Misery". Check out a technique that should help you figure out your ideal 300 BLK zero. Trijicon TA33-C 330 ACOG 300 AAC Blackout. I started zeroing my 22s at 70 yards. What is the bullet weight that is Supersonic that you reference in the article. You do not pay guns & With those numbers, it competes with the 45-70, but only external ballistics. Ranges, from 100 to 300 blackout 36 yard zero, youll hit high but still within 5-inches of your.... 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Break easier shows up as an $ 11.99 app on the target you will thick... - StrelokPro for android shows up as an $ 11.99 app on the.! Another popular cartridge for a self-defense rifle, with a T1 or low power in... And how a round flies through the air dropped 6 and a inches... At closer ranges, from 100 300 blackout 36 yard zero 250ish, youll hit high but still within 5-inches of your.! Lame, and NATO should conform to us cause Merica ACOG sat 2.7 inches above his boreand just... Collection of his stories in `` a Fine and Pleasant Misery '' not to see the 100YD zero listed a... Height over bore is about 2.7 with a 110-grain Hornady V-Max @ fps. Were supposed to click up one or click down one that we were supposed to click up one or down.