Wild West Gun Shop

Sterling Arms R18 MK2 Semi-Auto 5.56/.223 – Grey


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Sterling Arms R18 MK2 Semi-Auto 5.56/.223

Backed by roots steeped in the long-standing traditions of fine British craftsmanship but fully modernized with rapidly developing technologies and expertise from the aerospace and defense industries, Sterling Arms embodies the evolution of precision firearms manufacturing. The Sterling Arms R18 MK2 rifles are the top of the line tactical semi autos for the Canadian market. With tight and clean machining, and well thought out design, they are a front runner for quality and reliability that you can buy in the current market.

All R18 MK2 Models come standard with Magpul Furniture (Stock, and Pistol Grip) in Flat Dark Earth, Black, or Stealth Grey *Grey Pictured


  • .223 Wylde Chambering (Highly Efficient For Both .223 Rem / 5.56 Nato Ammunition)
  • Short Stroke Gas Piston Gas System (Rifle Length)
  • 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
  • 1:8 Twist Rate Rifling
  • 2-3/8″ Overall Width
  • 7.75″ Overall Length
  • 37.75″ Length (Collapsed), 40.38″ Length (Extended)
  • 8.3lbs. Overall Empty Weight
  • 14″ M-LOK Handguard
  • Adjustable Gas Block
  • CrMV Steel Barrel Material, Gas Nitride Finished
  • 6061-T6 Aluminum Receiver, Black Anodized Class III Finished
  • Magnetic Retention Non-Reciprocating Charging Handle
  • Spring Loaded Rotating Internal Bolt To Mitigate Extended Wear
  • Easy Tool-less Assembly/Disassembly
  • AR-15 Type Trigger Pattern
  • Trigger Tech Single Stage Trigger


  • Manual
  • Trigger Lock
  • Oil Sample
  • 2 – Allen Keys
  • 1- 5/30 Round Magpul Magazine


Additional information


.223 Wylde, .223 Remington, 5.56 NATO


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With the new CFO changes as of May 18, 2022, the new requirements to purchase a Non-Restricted Firearm online include:

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