M16A2 / M16A3 / M16A4 Rifle Stock Spacer - Mil spec

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$3.99 - $4.99

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)