*To mount this on other pistols such as Glocks and Springfield's you will need to get an adapter plate or an optics cut slide.
The HE407K X2 Green is an open reflex optical sight designed for concealed carry pistol applications. The X2 Series pistol optics feature two improvements. First is the addition of Lock Mode from our 2018-2019 LE pistol optic models. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Second, the buttons have been redesigned to compliment the Lock Mode by placing them lower and out of the way. Additional features include Holosun's Super LED with up to 50k hours battery life and Shake Awake.
The 407K-GR is an awesome site designed for concealed carry. The concept behind the 6 MOA Dot is so you can easily find it better when drawing the gun. It even has rear dovetails to act as rear irons sights.
The Holosun 407K-GR is a micro compact reflex site made for sub compact pistols. It competes with the RMRcc.
It has an open emitter, aluminum housing, comes in red or green dot versions, and weights 1 oz.
The 407K-GR has many of Holosun’s features such as shake awake and long battery life.
It has 2 nightvision modes and 10 daylight modes.
The only thing this site doesn’t have is solar charging, and auto brightness settings, which the 407c does. It also doesn't have the multi-reticle system like the 507k.
The battery will last 50,000 hours on setting 6 with the dot only reticle.
It accepts a CR1632 battery which is conveniently located in a side tray which means you don’t have to remove the sight and risk losing zero when changing the battery.
The size of the 407K-GR is just under 1 inch wide, 1 inch tall, and 1.6 inches in length, the actual size is 1.6x0.98x0.95. The window size is 0.58x0.77 inches.
The 407K-GR is made out of aircraft grade 7075 T6 aluminum and is very durable, waterproof IP67 is certified tested to be 100% protected against solid objects like dust and sand and has been tested to work for at least 30 minutes under 6 inches to 3.3ft of water, and can withstand drop tests.
The 407K-GR comes with a manual, cleaning cloth, two set of screws with blue loctite already applied, and an adjustment tool for the turrets so you can change the elevation and windage as needed. Each adjustment click has a value of approximately 1 MOA or 1 inch at 100 yards (1/2" at 50y; 1/4" at 25y). When zeroing at 25 yard, if your impacts are 2 inches low and 1 inch right, you will need to adjust Elevation 8 clicks UP(counterclockwise) and 4 clicks LEFT (clockwise). The maximum adjustment range is ±30MOA.
You can get the 407K in both red or green dot versions. The green dot version is a little bit more expensive. If you are unsure of choosing red or green, green is a little bit brighter and easier for the eye to pick up. To learn more of the science see our guide on choosing red vs green dot here.
Holosun provides a limited lifetime warranty from the date of purchase on parts and workmanship. At Holosun’s sole discretion they will repair or replace products found to be defective under normal use without charge. They do exclude the delivery costs, which is the responsibility of the purchaser. The warranty is void if the green dot sight has been misused, modified, neglected, or disassembled prior to its return.
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