The original M16 had about a 13.25" length-of-pull.
The M16A2 had a Butt Stock about an inch longer.. but the rifle buffer tube (receiver extension) was never lengthened to match it. Instead this spacer is added to fill the void.
Works in conjunction with the longer M16A2 Buttstock screw (Here)
Retro Rifles
Rifle Buffer Tube Assembly for all Rifle length AR15 / M16 / M16A1 / M16A2 / M16A3 / M16A4 models.
Retro Rifles
Rifle Buffer Tube (Receiver Extension) for all fixed Rifle Stock versions of the AR15 ( M16 /
Flat Top version of the M16A2. Served in the second Gult War. * If you want the original Fi
Original US Military stock with Trap Door. Used, in good condition. M16A2 Comes with hardware inclu
Original US Military stock with Trap Door. Used, in good condition. M16A2 Stock only does not come
