Billet 4.75″ AR-15 Micro Pistol Upper (5.56 / 300 / 7.62×39)

Billet 4.75″ AR-15 Micro Pistol Upper (Buyer’s Choice Of Caliber)
The buyer has a few options here to customize this upper exactly how they want it.  This AR-15 Upper is available in 5.56, 300 Blackout, or 7.62×39.  The buyer can also choose between a standard A2 flash hider or a removable thread protector, whichever best suits the buyer.
Product Specs:

4.75″ 4150 barrel, magphos coating
.750 at the shoulder
Micro length gas system
Standard A2 flash hider or thread protector
Gen 1 Billet upper receiver with forward assist and dust cover
4.2″ slim MLOK rail with handstop

*Available with a nitride BCG & standard charging handle for the selected caliber.*
** This item is assembled after the order is received to ensure quality and proper configuration.  Expected processing/completion time is 2-3 business days, but may vary with holidays and seasonal demands **