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Ballistic eyewear. Ballistic eyewear is a form of glasses or goggles that protect from small projectiles and fragments. For the U.S. military, choices are listed on the Authorized Protective Eyewear List (APEL). [ 1] Ballistic eyewear including examples that meet APEL requirements are commercially available for anyone who wishes to buy it.
The U.S. military standard (MIL-PRF-31013), requires (at a minimum) that ballistic eyewear can always withstand a 0.15 caliber, 5.8 grain, T37 shaped projectile at a velocity of 640 to 660 feet per second (approximately 3.8 mm 0.376 g at a velocity of 195 – 201 m/s). Goggles are required to stop a 17-grain fragment simulating projectile ...
GI glasses are eyeglasses issued by the American military to its service members. Dysphemisms for them include the most common " birth control glasses " ( BCGs) and other variants. At one time, they were officially designated as regulation prescription glasses ( RPGs ). [citation needed] This was commonly said to mean "rape prevention glasses ...
These can be compatible with the standard issue hydration pack, similar to CamelBak brand packs. Plastic 1-quart canteens are issued as well, with a metal canteen cup and stand. Several types of eye protection are offered, including ballistic goggles and sunglasses made by Eye Safety Systems, Inc. and Wiley X, and are available with ...
Shooting glasses are used as a visual aid for sport shooting. Though the glasses are extremely customizable, most pairs contain three basic elements: a lens, a mechanical iris, and a semi-transparent occluder. These components work together to help shooters focus their aiming eye on three points well enough to align the distant target with ...
Bulletproof glass, ballistic glass, transparent armor, or bullet-resistant glass is a strong and optically transparent material that is particularly resistant to penetration by projectiles. Like any other material, it is not completely impenetrable. It is usually made from a combination of two or more types of glass, one hard and one soft. [ 1]