Rainier Arms S2A .22LR AR-15 Complete Upper - 16"

In stock

Rainier Arms S2A .22LR AR-15 Complete Upper - 16"


Rainier Arms .22 LR Upper is designed to match the quality and feel of an AR15 upper by utilizing the same high grade components and features. Rainier Arms AR-15 M-LOK SWITCH .223/5.56 Rail-14" accepts M-LOK accessories and accommodates anti rotation QD points. All materials used are of industry-leading standards, each weapon carefully and meticulously assembled with a limited lifetime warranty.


  • RA .22 LR 16" Barrel
  • 1/2x28 threads
  • RA Forged flat-top upper receiver minus forward assist
  • RA AR-15 M-LOK SWITCH .223/5.56 Rail-14"
  • 2A Armament 22LR bolt-grade 5 6AL-4V titanium bolt, stainless steel barrel collar, and high-quality Polymer buffer
  • 2A Armament 22LR fluted barrel- 16.5",7075-T6 Billet aluminum barrel, rifled 4140 steel insert,1:16 Twist,1/2x28 thread
  • 2A Armament Thread Protector
  • Weight-2 lbs 12 oz

Also include (1) 2A Armament AR15 22LR 25-Round Magazine

More Information
Manufacturer Rainier Arms, LLC
Finish No
Barrel Length No
Caliber No
Configuration No
Option No
Gas Length No
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No