Highly recommended

I've tried severa l red dot, but the 511A stands out for its reliability and performance.

The 511A has exceeded my expectations. It has improved my accuracy significantly. The sight holds zero perfectly, even after heavy use, and the red dot is sharp and clear. Considering its quality, durability, and compatibility with different firearms, it's a fantastic buy for anyone looking for a reliable red dot sight without breaking the bank.

extremely satisfied. The quality is top-notch, it holds zero perfectly, and the red dot is crisp and clear

sight is easy to zero in, and once set, it stays put even after repeated use. I've taken it through rough terrain and rainy weather, and it's held up without any issues. The material feels durable, and considering its performance

recently switched to the 511A on my shotgun, and the improvement in accuracy is noticeable. It's lightweight, so it doesn't add unnecessary bulk to the gun, and the red dot is bright enough for quick target acquisition. For the quality and functionality it offers, the cost-effectiveness is unmatched.

the price is a steal

versatile enough to work well on SCAR-17S and a Mk18. Definitely worth the investment!