Best Red Dot for Glock 43X and 48: RMSc Picks
Posted by 3CR Tactical on 14th May 2026
The Glock 43X and Glock 48 MOS pistols only accept RMSc-footprint optics, which makes the optic-selection problem narrower and cleaner than full-size Glock work. This isn't a 50-option category like the Glock 17 or Glock 19 lineup — there are maybe a dozen RMSc-pattern optics worth considering, and the right pick comes down to glass quality, dot crispness, battery life, a
…
read more
read more
Co-Witness Setups for Pistols: Suppressor-Height Sights
Posted by 3CR Tactical on 14th May 2026
Co-witness on a pistol works differently than on an AR-15, and most of the bad advice online comes from people applying AR-15 sight geometry to a Glock. On a pistol the optic is only a few millimeters above the slide, the irons are short, and there's no riser to push the optic up to a "lower 1/3" position the way an AR-15 carry-handle setup does. This guide covers absolute vs l
…
read more
read more
Free-Float vs Drop-In AR-15 Handguard: Which One Do You Actually Need?
Posted by 3CR Tactical on 12th May 2026
Walk into any gun shop or scroll any AR-15 parts forum and you'll find strong opinions about free-float handguards. "Free-float or bust." "The accuracy difference is negligible." "You need a torque wrench." "It's just a barrel nut swap."
The noise around this topic tends to skip the most important question: do you actually need a free-float handguard for what you're doing with
…
read more
read more