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

Out of 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

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Manufacturer Rainier Arms, LLC