AR9 9mm 5.5” Complete Upper Receiver
PCC AR-9 5.5″ Slick Side Complete Upper Assembly with Bolt Carrier Group and charging handle. Built on a billet upper receiver with lrbho (last round bolt hold open).
CA and NY compliant.
Out of stock
5.5" AR9 lrbho upper features:
5.5" 9mm match grade ar barrel. 4150 chromoly steel. black nitride finish. twist: 1:10. 1/2x36 muzzle brake threads. barrel is finished off with a2 flash hider.
Last Round Bolt Hold Open
Made from certified 7075-t6 aircraft billet aluminum. black hardcoat anodized per mil 8625 type 3 class 2. compatible with all standard ar-15, ar-9, ar-45 mil spec components.
Blowback gas system
Lightweight free floating 4.5" slim keymod rail made from aircraft quality aluminum and black hardcoat anodized.
BOLT CARRIER GROUP
Ramped BCG - “Glock” & “Colt” compatible
US Made 8620 steel with mag phosphate finish
Precision milled for use with Glock style MA-9 lower receivers (or Colt style lowers)
M-16 cut for use in transferable full-auto MGs, dealer post sample MGs or other legal machine guns (ALL BATFE RULES APPLY)
UPPER ASSEMBLY COMES COMPLETELY ASSEMBLED AND TESTED.
MADE IN USA