The M4 came about in the 90s and had a 14.5-inch barrel with a carbine gas system.

Want to get a glimpse of how easy it is to take apart and clean too? See all our suggestions at Best AR-15 Upgrades. We’re also very obsessed…so here’s a (partial) selection of our upgraded uppers. But…the above AR might have gone a little overboard!

In my opinion…it’s your gun and your money, so do what you want to do as long as it’s still safe and legal. However, there’s a prevailing stigma (especially online) of putting too much possibly unnecessary stuff on your gun, and making you a “mall ninja” or being too “tacticool.” Carbon Fiber Everythang There are also tons of aftermarket products to customize the look, feel, and performance of your AR-15 to match your personality and intended use. The lower holds the trigger mechanism and for the most part, you can swap out the upper for even different calibers, from the.

Only the lower is the serialized firearm so with one lower you can have several uppers to fulfill any role without additional paperwork.300 BLK 123gr vs 200gr The AR-15 can fulfill roles such from a long-range precision rifle to close-quarters combat (CQB) carbine by just switching out the “upper” and mating it with the “lower.”

Panther arms ar 15 10 inch quad rail