Rotate the click wheel on the tool clockwise to lower the post and counterclockwise to raise the post. In that case Bushmaster's 0.040" taller sight post should solve the problem and only costs about $6. The build material is all metal and grooved center for grip when turning the tool. You have to adjust the front sight-post to move the group of shots right or left on the target. Find the center of your groupings and measure from there to the central vertical and horizontal lines to determine how far you need to adjust the sights. Do not lower your front sight post. Move the front sight-post up or down. If you zero your rifle in a 10-mph crosswind, then that’s your zero. Can be used with any ¼” hex driver. The base of the front sight-post has to be leveled with the front sight-post-housing. 3. First Load the weapon with five rounds. Note the number up or down, and the number left or right. Outstanding product and totally would recommend. This aligns the center mark on the "0-200" aperture with the center index-line on the rear sight-assembly. Most people zero their sights for a baseline and then compensate for any changes. Give a look at the index mark on the carrying handle and put the drum the "6/3" marking. I do have the Troy adjustment tool. If rifle is shooting right then move the front sight post to the right (move bullet impact to left). After finishing the front sights let us move on to the rear sight. 4. Remember, zero is a combination of factors that include the conditions. Adjusting the sights on an M4 can be done using your fingernail or a round of ammo but get it done much quicker, easier and safer with the M4 SAT sight adjustment tool. It’s a common mistake to zero at 25 meters or 50 meters and assume that you’re also good to go at 300 or 200 meters, respectively. Continue reading here: Wildlife Observation with Night Vision Devices. I’m associate aspiring businessperson, sure-fire author and blogger. Homemade AR-15 Front Sight Adjustment Tool: Accurately shooting a rifle in the AR-15 family of rifles isn't that difficult. The Carry handle of an M16A4 and M4 carbine is a 1/2 minute adjustment but the shorter sight radius of the M4 makes it a little harder to memorize the rear drum changes… but not too much. Turn the elevation wheel on the rear sight-assembly counterclockwise. This easy to use tool simply pushes down onto the front sight post. Windage adjustments are made with rear sight. Langley holds a Bachelor of Arts in English from The Union Institute. Align the "6/3" mark on the elevation wheel with the index mark on the carrying handle. Depending on the type of gun, you may be able to adjust either the front or rear sight, or you might have to make adjustments to both. 2. I have a new set of Troy HK-style sights for my AR rifle for BUIS. Older guns like "cowboy" lever action rifles are exactly the opposite. Lower the front sight-post by turning it clockwise. From the factory it seems a little cocked off to the right like this /. Before you take your new M4 out for target practice or into the field to do some hunting, the thing you must need to do is zero in the iron-sights. They are constructed of aircraft aluminum and designed to be low profile. Then, don’t forget to move the rear sight that number of clicks from one of the sides. It also has a collapsible stock. This shorter length requires exact zeroing to ensure proper accuracy. Hope the article was helpful and worth reading for you. But that’s wrong. Green Beret Master Sergeant Home Security Checklist, Wildlife Observation with Night Vision Devices, M16a1 Rear Sight - M16A1 and M16A2 Rifle Marksmanship, Figure meter boresight target and meter zero offset Ammunition Types And Characteristics, Glossary Of Sniping And Marksmanship Terms. Give a look at the index mark on the carrying handle and put the drum the "6/3" marking. Lower the front sight-post by turning it clockwise. Note the number up or down, and the number left or right. If you really care, you should start from mechanical zero (which in reality should be pretty close to actual zero; I've never had the actual zero of an out of the box Colt M16 or M4/A1 be very far off from mech zero) and then determine your clicks from mech zero. His work has appeared in the "Tailwind," the local publication for Travis Air Force Base in California, as well as on several websites. Zeroing Procedures 1. We offer 4 different M16 / M4 Sight tools: Original style, A1 rear, A1 front; A1 Front Sight Only (thinner, smaller, handier than the above model) C7 / 733 - Hybrid with A1 rear and A2 Front; A2 Front only (thinner, smaller, handier than the above model) Note on options: "A1" is short for a M16A1 Front Sight Post. Troy Industries makes a high-end set of Tritium Battle Sights called the Troy Micro M4 Sight Set. To set the front sight post to initial sight setting, depress the front sight detent and rotate the front sight post until the base of the front sight post is flush with the front sight housing. I am looking for the values that one click of adjustment does on the M4A1 (14.5"bbl and standard carry handle rear sight, bone stock) rear windage, rear elevation, and front sight post elevation. The large aperture is used for close up shooting has a line that can be used to align it with hash marks along the bottom of the rear sight. The longer that distance the smaller the point of impact moves for each click of elevation or windage. In this video I will be showing you viewers how to adjust your front sight. Fire five rounds of ammunition at the center of the zero target. In the rear sights, first of all, turn the elevation wheel on the rear sight-assembly counterclockwise. Turn the elevation wheel on the rear sight-assembly counterclockwise. Thanks! The key ring serves as a handle and helps keep the small tool accounted for. Looking from the top of the sight, the front sight post will need to be turned clockwise to raise groupings and counter-clockwise to lower them as they appear on the target. They feature a dioptic rear sight and an M4 type front sight. 4. The front sight handles elevation, or how high or low the point of impact is compared to the point of aim. If the shots appear all over the target and aren’t in groups, focus on the shooting fundamentals until you achieve groups. Set a zero target 25 meters from the firing line. After finishing the front sights let us move on to the rear sight. The actual amount of movement per click of adjustment depends on the distance between the front and rear sight. 3. Most sights on an M4 have both a large and a small aperture. This easy to use tool simply pushes down onto the front sight post. Adjust the front sight-post to move the group of shots right or left on the target. No matter the weapon you use, test-fire it first, then adjust your sight. Shoot from the prone position for the best accuracy. For example, the USGI adjustable rear sight found on the M16A4 and M4 has half MOA clicks. Never walk forward of the firing line unless all firing has stopped. It is machined from steel and has a black zinc finish to last for years. Adjusting the front sight with the shorter geometry results in more aggressive clicks. Set a zero target as your need, I will recommend you to set your target at 25 meters because at 25 meters, each square is 1 MOA wide and tall. Rotate the click wheel on the tool clockwise to lower the post and counterclockwise to raise the post. If rifle is shooting left then move the front sight post to the left (move bullet impact right). At first, you have to rotate the front sight post up or down until the base of the post is flush with the sight well. If you want to be zeroed for 200 meters, then you need to put your target out at 200 yards and finalize your zero. The front sight faces the same problem. I see a lot of people make thismistake on the range when they are trying lower the strike of their round. Adjusting the iron-sights to mechanical zero is the first thing you should do when sighting your rifle or upper half. Having finished with that, turn it all the way in the opposite direction, count clicks as you go. Since the rear sight has been raised, the front sight must be raised the same amount when zeroed. Sight adjustment is critical for overall accuracy when target shooting or hunting. Hey I’m Elizbeth Smith. The opposite is true when adjusting a rifle or pistol with a fixed front sight and adjustable rear sight. Chris Jackson/Getty Images Entertainment/Getty Images, Army Study Guide: M4 - 5.56 Semiautomatic Rifle. You can see that the A2 rear sight elevation is easy to memorize, but also very course in its adjustments. Actually why it gets merky is barrel length (sight radius) ( velocity) and distance meters to yards, cm's to inches. That makes it easy to work your sight adjustments; meters from the firing line. Adjust front sight for elevation only. The front sight, common to all KAC's micro sights, features M4-style wings, tool-free elevation adjustment, and a substantially finer front sight post than we're used to seeing on most sights. Though many shooters these days use budget, Hey I’m Elizbeth Smith. The slimmer post increases visual acuity and complements the rear sight's ability to … Divide the number of clicks by two to determine the center of the rear sight. Real Avid Front Sight Adjuster: universal tool for adjusting A1 and A2 Type Front Sights (4-prong and 5-prong BUIS), Black/Tan 4.6 out of 5 stars 1,352 $9.99 $ 9 . If the aperture doesn’t have a mark, simply rotate the windage knob until the aperture is all the way to the left or right. This easy to use tool simply pushes down onto the front sight post. If you confirm a zero at 300 meters on a windy day, and then you fire the weapon at a later date in different wind conditions or no wind at all, the impact will change. I like to write about, home improvement, outdoor,personal finance, art, fitness and lots more. Once the iron-sights are zeroed you can start adjusting them for accuracy. Rotate the click wheel on the tool clockwise to lower the post and counterclockwise to raise the post. Based in Sacramento, Calif., Russel Langley has been writing professionally since 2006. So, to get the most out of your rifle, you need to know how to zero an M4 with iron sight. If the wind isn’t there the next day, then your conditions have changed. Always wear hearing and eye protection when shooting. No idea how it … The process takes some patience, but you will be spending valuable time regarding some useful knowledge about your new rifle while making it as accurate as possible. Have it co-witnessed with my EOTech XPS3-0. Never handle a weapon until you are certain it is safe and clear. Adjusting the sights on an M4 can be done using your fingernail or a round of ammo but get it done much quicker, easier and safer with the M4 SAT sight adjustment tool. This properly aligns the sights to an individual. When adjusting the front sight, the opposite applies. Basically, if you want your shots to appear on the target you will want to move the rear sight in the direction, and front sight in the opposite direction. Also, don’t forget to adjust the elevation knob on the rear sight-assembly to raise or lower the group of shots on the target. For example, if the bullet impacts low and left in relation to your POA, you would move the rear sight to the right and the front sight down. Is the front sight adjustable on an M4? Adjust the elevation knob on the rear sight-assembly to raise or lower the group of shots on the target. 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