(Photo by Pfc. Carlin Warren) Marines will see changes in marksmanship and weapons gear coming down the line this year, including the phasing out of legacy M16 iron sights and the three-point sling.

The Army and Marines, in adopting the new XM7 rifle to replace the M16 and M4 rifle and carbine, have apparently phased out iron backup sights, putting all their chips on a scope called the XM157 ...

For the first time in three years, Army recruits will have to pass a marksmanship test during basic training using only the backup iron sights for the M16 rifles and M4 carbines, officials said.

The results are pretty interesting. Here's Andrew's Review: Back up iron sights, or BUIS, are a popular accessory for AR and M16/M4-platform rifles, with the primary reason for their purchase and ...

This decision falls in line with the Army’s phased transition away from the M16 over the past few years ... and the growing use of optics over iron sights added more weight.

The M16 was great. It fit me well. I loved the slight recoil, and it was easy to assemble and reassemble. I was good with the A2 and A3 out to 300 meters with iron sights on the range. This was ...

It teaches Servicemembers how to engage and destroy targets up to 600 meters with the M4 or M16 rifle, Back-up Iron Sight and Advanced Combat Optical Gunsight. "Before coming to this [PERRC ...

The iron sights on Ak4Ds are completely removed ... of 7.62x51mm NATO and in the smaller 5.56x45mm, variations of the M16, SR-25, and AR-10 are a common sight in armories around the world.