Butler Creek Flip-Up Rifle Scope Cover Rear Eyepiece #2 31.1mm Caliber_243 Win it is recommended that this

it is recommended that this bullet be fired in a load with an impact velocity no greater than 2200 fps and no less than 1800 fps

Not for 25 ACP - use #248670 replacement assembly

Hinged bases have tension adjustment to eliminate tremor or looseness in the crotch area of the bipod

One 100 grain

Butler Creek Flip-Up Rifle Scope Cover Rear Eyepiece #2 31.1mm Caliber_243 Win it is recommended that thisThis Butler Creek flip up Eyepiece lens cover opens at the touch of your thumb and features a watertight friction mount and semi O ring that securely anchors the cover, sealing out dust and moisture. The ocular lens covers feature a large push button for quick spring loaded opening when you want to keep your optics protected until the perfect shot presents itself. To select the correct cover, refer to the scope's owners manual or measure the outside