Ar-15/M16 Sight Wrenches - Brn Ar-15 A2/M16 Sight Wrench

Even tho' you're supposed to be able to adjust these sights with nothing more than a round of ammo, folks who've tried know it's just not that simple. This decidedly handy little Sight Wrench does the job, quick and easy. Mfg: Brownells SPECS: 1-3/8'''' (3.5cm) long x A 3/4'''' (19.0mm) dia. Blued steel. Models for A1, five-prong (adjusts front and rear) and A2, four-prong.