| New Adams Arms 16" M4 complete upper receiver with Adams Arms piston system and 10" extended Samson Free Float Rail with chrome lined M4 profile barrel. A4 forged aluminum upper receiver features flat top with 1913 mil-spec picatinny rail and full TeflonŽ coating for reduced friction and long service life. M4 profile 4140 chrome-moly steel 16" chrome lined barrel with 1:7 twist.Reliable and clean functioning Adams Arms carbine length short stroke piston system. Includes 10" Extended free-float Sampson Rail System and is complete with bolt carrier group and charging handle.
Chambered in 5.56x45 (.223) NATO with 6 groove 1/7 twist and M4 feed ramps.
Fits most all commercial and mil-spec lower receivers in 5.56 (.223 Rem)
* RESTRICTED ITEM - Adult signature required on delivery. Does not ship to CT, MA, NY, NJ
NO EXPORT
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