Trijicon Replacement ACOG Adjustment Caps TA108 are sturdy replacement parts for a series of ACOG scopes by Trijicon. It can be easy to misplace the caps to your Trijicon ACOG scope ‘s adjustment dials in the heat of the moment, and once they’re gone you’ll miss the level of protection they provide. That’s why you should always keep a set of these Trijicon rifle scope accessories on hand. This set of two replacement caps will protect your ACOG sight’s dials, just like the original caps. The Trijicon ACOG Replacement Dial Caps Two-Pack are an easy to install pair of rifle scope accessories and are simple to remove from the turrets. Trijicon has designed the TA108 caps to fit the adjustment dials of 1.5×16, 1.5×24, 2×20, 3×24, and 3×30 ACOG scopes. Protect your measurements by protecting your dials with the Trijicon ACOG Scope Spare Adjustment Dial Cap Pack.