Does Height Over Bore Matter. If you do actual fun stuff you'll want to. 100 yards or 100 meter

If you do actual fun stuff you'll want to. 100 yards or 100 meters is typical, 50 yards is sometimes encountered with low-power calibers. If you are level and have great rifle fit & sight picture, a tall height over bore is no issue. Jul 13, 2021 · Sighting in a rifle is a pretty easy process, or, rather, it should be. This is important to get precise solutions from ballistics calculator programs. 93 for my Vortex Razor. May 23, 2022 · From the above we can draw the conclusion that at 25 meters the difference is 10mm less upward adjustment on rifle 1 than on rifle 2. Oct 14, 2019 · BTW, does height over bore actually matter currently? I mean, if you add a riser, is point of impact simply offset a little bit, or the whole trajectory is recalculated? I was reading the FAQ and got to the part about scope ring height, and realized I don't know what my rifle/scope's height over bore is then I realized I also don't know how to measure this distance accurately. Digital calipers will be better than a wooden yardstick obviously, but it shouldn't be that difficult to find a way to measure the distance between the bore centerline and the scope centerline. The flatness of the trajectory of a projectile is determined by a couple factors, including BC, velocity, and launch angle. If those are held constant, a gun without a scope shots with the same trajectory as a gun with the scope mounted 100 feet above the bore. 6" height over bore and the rear sight sits about 1. The counter to this is height over bore, so that the gun is always fired at a slight upward angle, crossing at the first or penultimate zero, and then falls in to where you have your second or ultimate zero set. Sight height does not have any positive or negative effect on your ballistics. 26" above the rail. Thanks to all the readers from the last, oh, couple of decades. (Data On Harrison Millard III Jul 1, 2022 · It's not really about height above bore. They went. 73" height Spuhr, I guess the age old depends who you ask came into play. plug your speed, bullet, height over bore, elevation, and shooting angle into a ballistic calculator like shooterscalc and cross reference with your reticle The short of it is, don't expect it to be on by 600yds. Shots with the same trajectory as a gun with a scope mounted crosswise or mounted under the barrel. There are too many variables to list that will affect the trajectory of a particular round/rifle combination. If my scope is 1. That’s measured from the center of the barrel’s bore to the tip of the front sight. So why do people prefer lower mounted optics. 5" above the center of bore just due to the design of the rifle. In many instances, the scope bullet drop compensating (BDC) reticle is marked on the assumption of a specific load, height over bore, and a predetermined far zero range. However, the best scope height for your rifle will depend on various factors, so it’s important to experiment and find what works best for you and your rifle. Typically if different bullet weight/velocities are used the farther the shot taken the more the bullet drop compensator will be affected. com has load data for . 5" over bore and zero at 50 yds I might only need 4 moa at 100 yds. May 30, 2012 · Re: Scope height above bore question It does make a difference, but how much it matters is up to you and what kind of shooting you're doing. I'm just curious what the average height is that you all are using. Is this method correct or should I be measuring from the center of the rear ring to the center of the bore? Thanks I think most commonly it’s measured from center of windage turret to center of chamber. This glossary of nautical terms is an alphabetical listing of terms and expressions connected with ships, shipping, seamanship and navigation on water (mostly though not necessarily on the sea). A traditional rifle stock is designed such that when your cheek is in the optimum position on the comb your eye is in line with the original open sights. I find the height very natural to bring my rifle up, get a good cheeck weld, and can still passively aim with nods on without issue. We would like to show you a description here but the site won’t allow us. Jul 1, 2022 · We would like to show you a description here but the site won’t allow us. Mar 14, 2025 · The higher your optic sits above the bore, the more it influences the bullet trajectory at different distances. Jul 19, 2022 · The premise is that 'height over bore' doesn't really matter now with the technological advancement and allowing you to use apps to quickly and easily dial in. Same Jul 1, 2025 · But what does height over bore meaning actually mean, and why is it so crucial for accurate shooting? This comprehensive guide dives deep into the concept, explaining its principles, impact on accuracy, and practical implications for shooters of all levels. for the moderate distances you might see Jan 7, 2024 · In summary, scope height over bore is a critical consideration in achieving accurate and consistent shot placement. Use code YOUTUBE10 for 10% off your next Steel Target order: May 19, 2023 · The flat top rail on a standard AR-15 is 1. The process of bore sighting your scope aligns the center of your barrel to the sights on your scope. AccurateShooter. Normal A2 front sight post sits about 2. 5-2 inches above the bore is a good starting point for most rifles. However, if you know the height of any given manufacturer’s absolute cowitness mount height, you can extrapolate height over bore for their other mounts if they list their mount heights. Aug 8, 2016 · Learn how rod ratios and bore/stroke combinations impact engine performance and power delivery. Share Sort by: Best Open comment sort Jul 2, 2008 · My thought is that measuring the height of the optic centerline over bore isn't rocket science. New comments cannot be posted and votes cannot be cast. I use an offset rds for a backup at the same height and have no troubles there. While running some calculations recently, I wondered how much sight height affects my ballistics. Sep 21, 2022 · Height Over Bore: What is it and Why does it Matter? Country Boy Guns 2. Something that we touched on too is optic-bore offset, or called optic height over bore. Is that correct? If so, what's the point of the ACSS reticle with the fixed holdovers? Sep 26, 2016 · Height over bore or sight height, is usually a measurement asked for by ballistic calculators to help calculate your "dope" for your specific rifle/set up. Not only does the height over bore matter, but you need to be sure your scope reticle is level. Your sight height should be picked based on comfort and measured correctly to input into the ballistics equation. That puts the height about 1/16 inch above the barrel. It becomes more and more important then closer you get to the muzzle. May 25, 2025 · Well, basically they cost me hundreds of dollars a month, and didn’t make much money. Traditionally, it was accepted that a shooter would want the scope height over bore as low as possible, this made it easier to calculate your D. However over 100 meters the advantage went over to to Rifle 2. How do you all go about it? Archived post. It’s a process that is simple to complete and one that all shooters should know how to do. Keep in mind this WILL vary depending on your preferred zero for your rifle. I did a search, but didn't really find what I was looking for. A very basic way is to measure from the center of the barrel to center of the scope or scope rings. Apr 30, 2024 · Your height over bore is an important factor in determining your ballistic drop profile, so take care to accurately record it in your ballistic calculator. Sight height does not have any positive or negative effect on your ballistics. Ya too much hype and advice given regarding closer to the bore bs. There are a few procedures that are commonly used to find sight height. It's about stock design. Oct 16, 2007 · does it really matter as long as the scope is perfectly in line with the bore L&R? here's my thoughts, a flat top AR-15 typicaly has the scope 3. 26" height over bore, it's 2. For an AR-15, we generally assume that the iron sight plane has a 2. 0 inches height over bore. learn your height over bore. Jun 30, 2022 · [ARCHIVED THREAD] - Does scope Height Over Bore Matter ARCHIVED General » General Discussion AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry This article explains how to precisely calculate the height of your scope above the centerline of the rifle barrel bore. O. Nov 12, 2009 · Scope height is irrelevant. The placement of an optic and the rifle’s inherent design have a dramatic influence on which zeroes are most useful and usually, for all rifles, the closer the zero the less useful it is. 56 AR, and my height over bore is 2. The only thing height over bore will affect is your hold overs. Set your shit up for comfort. World's Tallest Scope Base - Does Height Over Bore Matter? Nov 7, 2006 · The height above bore used was for flat top mounting using the supplied TA51 mount. The cant error for 0. I wish I'd gone with the 1. Height over bore: The “height over bore” of your firearm should also be taken into account. Learn about Precision Shooting, Accurate Reloading, and advanced shooting skills for competition, hunting, varminting, and tactical shooting. Sometimes, the sight height above bore, or the distance between the bore’s center and the objective’s center, needs to be taken into consideration. 22K subscribers 21 Quick tidbit, it's not 2. , and THEN mount the scope. This refers to separating the RDS’s height and the bore’s centerline. Nov 28, 2024 · Meaning that if I shoot at a target 200 yards away, my holdover is not the same for the optic that is 2. Just measure it. A scope height of 1. Shooters should be aware of the effects of this height difference, especially when making adjustments for different shooting scenarios, distances, and types of firearms. Jun 20, 2007 · My question is does scope height over the bore effect the long range capability of a rifle/scope? ie I was always trained to mount my scopes as low to the bore as possible and have done that since 1963. Feb 17, 2018 · I'd take that further and say that for literally anyone not using over 5" (lol) height over bore it has no effect at all. It because I changed the angle of the rifle to meet the sight line of the scope. Well. The mount has a high swoop in the front that allows for this. However, this can vary slightly depending on the specific sight design and manufacturer. Who knows, something might come back, one day. 5” gun. 625". At close range, for example, your shots will be consistently lower. The word nautical derives from the Latin nauticus, from Greek nautikos, from nautēs: "sailor", from naus: "ship". Nov 19, 2023 · If all you do is punch paper at 100+ yards it won't matter at all. Because it can alter your drop profile, it may also have an effect on your ideal zeroing distance. I use a Scalarworks Leap 1. While I would love to just have them there in perpetuity, it was basically a cost I didn’t want to have to cover anymore. They machine a ludicrously large (almost 2 feet) scope mount and test the hypothesis among a few other tests. E. Jun 28, 2023 · My rifle has a 40 moa mount and I have always determined bore height from the center of my front ring to the center of the chamber gas port. 5-5 degrees of cant for the 1" and 2" are identical. Are there any benefits to having a low or high-mounted scope? Sight height does not have any positive or negative effect on your ballistics. So. DOES HEIGHT OVER BORE MATTER? The distance or “height” of your scope over the bore of your rifle is an important factor in calculating your D. May 16, 2013 · It doesn't matter whether your 1" from the centerline or 4" from the centerline of the bore,if you are not in the same position every time,you'll be off on your shots. The height may impact accuracy at longer ranges over the bore of the RDS, which increases as it is mounted higher. Would've made a better setup regarding flip cap position/clearance and cheek riser height. 223 Rem, 6mmBR [ARCHIVED THREAD] - For handguns, does bore axis height really matter? Taran Butler (John Wick) says yes; pg3 (Page 3 of 3) ARCHIVED Previous Page Page 1 2 3 / 3 Next Page Posted: 1/2/2019 3:58:12 AM EDT [#1] Also here is a reference chart, if bore axis is really the number one important thing in a handgun, then the chart list the guns from Oct 8, 2023 · If you are concerned about height over bore, there have been several proven gun designs over the course of history with taller than average height-over-bore distances. Jan 22, 2020 · I'm running an LPVO on my 16" 5. 4" above the rear rail, with the rail being 1. Further Aug 18, 2021 · Absolute Height With an absolute cowitness configuration, as pictured with the EOtech above, the center of the optic lines with the height of the iron sights. Jun 18, 2024 · Does height-over-bore of your optic not matter relative to the standard charts for zeroing? I'm not a physicist by any stretch, but I think it makes a huge difference. 6 inches. Get insights from expert engine builders. 215 inches over the bore, so if you know the height of your optic mount, you can just add those two numbers together. Jun 30, 2022 · Just as the optimum scope height is a function of the ballistics of your particular setup, the distances that you choose for primary and secondary zeros, and the amount of bullet rise in between. Have a play with a Ballistic Calculator with different sight lines above the bore. It already is. . If you are shooting at fixed distances than it probably wont matter at all. Aside from the night vision argument, height over bore doesn't matter much because it's compensated for in whatever ballistic calculator you use. Now I get the best cheek weld, view through the scope, eye relief, etc. While not super accurate a pretty easy and quick way to get a We would like to show you a description here but the site won’t allow us. If your scope is canted even the slightest, it will result in missed shots down range. At 1000 meters the difference is 14 cm less adjustment on Rifle 2 than on Rifle 1. When using a ballistics calculator, the question of sight height or height over bore will come up. 6″ height over bore (HOB). 5" over bore and I 0 at 50 yds I might need 6 moa at 100 but moving that scope to 2. If it's measured and input correctly, it doesn't matter what your height over bore is. How does the sight base height affect accuracy? Nov 29, 2020 · I personally like current and emerging generation LPVOs, but the proven durability of the ACOG and its compactness favor well for an 11. 2" above the bore. Jul 1, 2022 · Height of scope above the bore does make quite a difference to how need to adjust for drop etc. Nov 7, 2023 · Does height over bore matter? 250 Piece Survival Gear First Aid Kit LifeStraw Water Filter for Hiking and Preparedness 250 Piece Survival Gear First Aid Kit 1 year ago Reply 1 year ago We would like to show you a description here but the site won’t allow us. P. The premise is that 'height over bore' doesn't really matter now with the technological advancement and allowing you to use apps to quickly and easily dial in. Dec 7, 2024 · Generally, the height above bore (HAB), which is the distance from the center of the rifle’s barrel to the center of the optic or sight, is what matters most. From there on out, it becomes a training thing for different distances quickly. 5 inches height over bore, compared to the optic that is 3. For now, here's a simple video showing how height over bore affects impacts at closer distances. Find what’s comfortable and go with it. Jul 14, 2025 · When measuring scope height above bore, to enter into a ballistic program, and assuming an aggressive rail, (45 MOA in my case), where is the proper place to take the measurement? At objective end? At the turrets? What would the reasoning be? I know, I know, it won't make enough difference to AccuTac Bipods - The Best Just Got Better! Overview and Comparison of All Models. Some remain current, while many date from the 17th to 19th centuries. Jared explains why it may seem like this because of the height of the optic over the bore of the rifle. Aug 10, 2012 · In the quest for the lowest scope height, I have ended up with one rifle with a bottom part of the scope cover removed so it will go over the scope. For standard AR-15 iron sights, the height above bore is typically around 2. As long as you have a consistent cheek weld and sight picture the height over bore doesn’t really matter. Nov 12, 2024 · It does not effect accuracy but it can influence poi at distances other than the zero distance. Hi-Lux ART scopes with mechanical computers require zeroing at 200 yards. With the RMR, your biggest training point will be remembering to compensate for height over bore at CQM under stress when looking at head shots. May 4, 2018 · Height over bore impacts rifle fit and the magnitude of cant influence.

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