by Matt S. The Sig Sauer Ballistic Data Xchange (BDX) system is an innovative method to quickly and accurately strike targets at a distance. The system is composed of a smartphone app, a rangefinder, and a riflescope. You can use the rangefinder or scope independently or combine all 3 for the ultimate capability.

800 yards is the maximum effective range using only the BDX rangefinder and riflescope. Beyond 800 yards, wind direction and speed, coriolis force, and atmospheric conditions play a larger part and must be accounted for.

SIG SAUER's all-new Ballistic Data Xchange (BDX) rangefinders and riflescopes are equipped with integrated Applied Ballistics and wireless Bluetooth technology.

A device shoots a laser at an object and times how long it takes for the light to reach it. It then uses the speed of light and the time it took for the light to travel to calculate the distance. You used to have to carry a separate device to check the range and then adjust your scope.

“This award solidifies the TANGO6T as the premier riflescope of the U.S. military as it continues to exceed the highest standards for ruggedization, range, and accuracy throughout testing protocols, and in the field with our soldiers.

The SIG Sauer M17 and M18 are service pistols derived from the SIG Sauer P320 in use with the United States Armed Forces.

Measurement: 3.5 to 4 inches - common on centerfire rifles. Shooting type: Ideal for long-range shooting.

around 300-500 yards 1-8x Scope It's most effective range is around 300-500 yards, with a little give or take above and below that. It's great for hunting, since that's right around the normal distances that most people prefer to hunt.

To find your distance to the hole, you aim the rangefinder at the flag and click on one of the buttons on top to hone in on the target. The rangefinder then measures the time it takes for the laser beam to bounce off the target and return to the rangefinder, then calculates the distance based on that time.

A laser rangefinder will offer you accurate distance and high precision shooting. A spotting scope with extra features might provide you with a wider field of view, speed, target size, and wind drift correction. If you're just beginning, then a laser rangefinder is a great choice.

In such circumstances, you have to decide between spotting the game and measuring the distance. However, if you can spot the game at a distance through naked eyes, then a hunting rangefinder is all that you need. You can also use the rangefinder to spot the game and measure its accurate distance.

The slide is also corrosion resistant due to ferritic nitrocarburizing, a treatment that helps protect against corrosion which is critical given SEALs are often immersed in saltwater. The P226's chamber and barrel are chrome lined which is also a plus for those who operate in wet or dusty environments.