2012 STS Arms, LLC., all rights reserved.
Basic Rifle:
STS Arms, LLC ST4 basic rifle package has the following specifications:
Barrel: 1x7 or 1x9 twist, 4150 steel, Microslik lined, 16” M4 contour, A2 FSB F marked
Muzzle device: A2 flash hider
Caliber: 5.56mm NATO
Bolt Carrier Group: M16 carrier, chrome lined, HP/MPI bolt, Microslik coated
Upper and lower receivers: 7075 forged aluminum, A4 flat top upper, mil-spec dimensions, Microslik coated interior
Trigger guard: Magpul MOE
Rear sight: none
Charging handle: 7075 forged aluminum, mil-spec latch, Microslik coated
Buffer: Microslik coated carbine weight, Microslik coated action spring
Grip: A2 mil-spec
Stock: basic M4, five position
Hand guards: M4 double heat shielded
Magazine: Aluminum 30rd standard capacity Mil-spec with Magpul gen 3 follower (California model with 10 rd).
STS Arms, LLC ST4 basic rifle package has the following specifications:
Barrel: 1x7 or 1x9 twist, 4150 steel, Microslik lined, 16” M4 contour, A2 FSB F marked
Muzzle device: A2 flash hider
Caliber: 5.56mm NATO
Bolt Carrier Group: M16 carrier, chrome lined, HP/MPI bolt, Microslik coated
Upper and lower receivers: 7075 forged aluminum, A4 flat top upper, mil-spec dimensions, Microslik coated interior
Trigger guard: Magpul MOE
Rear sight: none
Charging handle: 7075 forged aluminum, mil-spec latch, Microslik coated
Buffer: Microslik coated carbine weight, Microslik coated action spring
Grip: A2 mil-spec
Stock: basic M4, five position
Hand guards: M4 double heat shielded
Magazine: Aluminum 30rd standard capacity Mil-spec with Magpul gen 3 follower (California model with 10 rd).
MOE rifle:
STS Arms, LLC MOE rifle has the following specifications:
Barrel: 1x7 or 1x9 twist, 4150 steel, Microslik lined, 16” M4 contour, A2 FSB F marked
Muzzle device: Primary Weapons Systems FSC556 brake or Triad flash hider
Caliber: 5.56mm NATO
Bolt Carrier Group: M16 carrier, chrome lined, HP/MPI bolt, Microslik coated
Upper and lower receivers: 7075 forged aluminum, A4 flat top upper, mil-spec dimensions, Microslik coated interior
Trigger guard: Magpul MOE
Rear sight: Mapgul MBUS flip up, dual aperature
Charging handle: 7075 forged aluminum, Black Rain Ordnance tactical latch, Microslik coated
Buffer: Microslik coated Enidine AR-restor hydraulic buffer, Microslik coated action spring
Grip: Magpul MOE
Stock: Magpul MOE
Hand guards: Magpul MOE
Magazine: Magpul Pmag 30rd standard capacity (California model with 10rd aluminum).
STS Arms, LLC MOE rifle has the following specifications:
Barrel: 1x7 or 1x9 twist, 4150 steel, Microslik lined, 16” M4 contour, A2 FSB F marked
Muzzle device: Primary Weapons Systems FSC556 brake or Triad flash hider
Caliber: 5.56mm NATO
Bolt Carrier Group: M16 carrier, chrome lined, HP/MPI bolt, Microslik coated
Upper and lower receivers: 7075 forged aluminum, A4 flat top upper, mil-spec dimensions, Microslik coated interior
Trigger guard: Magpul MOE
Rear sight: Mapgul MBUS flip up, dual aperature
Charging handle: 7075 forged aluminum, Black Rain Ordnance tactical latch, Microslik coated
Buffer: Microslik coated Enidine AR-restor hydraulic buffer, Microslik coated action spring
Grip: Magpul MOE
Stock: Magpul MOE
Hand guards: Magpul MOE
Magazine: Magpul Pmag 30rd standard capacity (California model with 10rd aluminum).
