Williams Aperture Regular 3/8" Diameter with .150 Hole Steel Black
Machined from steel and are easily installed.
If included in description, the fractional dimension is the outside diameter of the metal aperture.
The decimal dimension is the size of the hole drilled in the aperture which is actually looked through by the shooter.
Apertures are standard thread size and will fit Williams, Lyman and Redfield receiver sights.
The twilight aperture is specifically designed for low-light conditions.
Big Game aperture is designed to mount on the FP or 5D receiver sight and has an extremely large opening, similar to a ghost ring type of sight.
Thank you! Your valuable feedback helps improve our product information and offering.
Birchwood Casey Gun Scrubber Synthetic Safe Firearm Cleaner...
$8.49 - $9.99Sale — Select Items Save up to $1.80 (17%)
Williams Aperture Regular 1/2" Diameter with .125 Hole Steel...
Bore Tech Proof Positive Rifle Cleaning Jag Alloy
$7.29 - $7.99
Birchwood Casey Bore Scrubber Foaming Gel Bore Cleaner 11.5 oz...
$7.99Sale Save $0.90 (10%)