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LWRC SIX8 RAZORBACK II in 6.8 SPC was released at 2017 Shot Show in Las Vegas, Same great rifle as the original RAZORBACK but with many upgrades. The LWRC SIX8 RAZORBACK II upgrades include: spiral fluted cold hammer-forged nicorr treated Barrel, adjustable 2 way gas block (normal and suppressed), mono-forged upper receiver and lighter weight design. Making the LWRC SIX8 RAZORBACK II it the complete 6.8 spc AR 15 Package.

The LWRC SIX8 AR 15 Rifle was originally designed for British military air force pilots as the SIX8 UCIW (Ultra Compact Individual weapon). It was designed to be ultra compact so it could be carried in the cockpit, But have a more lethal knock down power than a standard 5.56 round. Many U.S. special forces have adopted the LWRC SIX8 AR 15 Rifle platform due to its superior performance over the tradition 5.56 NATO round. One Shot One Kill and the ability to punch through car windshields and other barriers. The LWRC’s SIX8 RAZORBACK II has almost the same ballistics out 500 yards as the 308 Round minus about 10 Percent.

The LWRC SIX8 RAZORBACK II has been adopted by hunters and sport shooters alike because of its light weight and superior knockdown. Here in Texas Hog hunting is one of our favorite pastime sports and the LWRC SIX8 RAZORBACK II is our the weapon of choice. Feel free to call Xtreme Guns and Ammo in Richmond Texas for all your LWRC 6.8 SPC needs at 832-363-3783 or chat with us on our chat line during chat hours.


LWRC SIX8 RAZORBACK II Specifications:


  • Manufactures Item Number: SIX8A5RBB16RB
  • UPC: 853677007250
  • Caliber: 6.8 SPC
  • Short stroke Adjustable gas piston system (Normal and Suppressed)
  • Barrel Length: 16.1 inch
  • Barrel Rifling:1/10 Twist
  • Barrel: Spiral Fluted Nicor Treated Cold Hammer Forged
  • Bolt: Advanced Combat Bolt
  • Trigger: Lwrc enhanced fire control group
  • Stock: Lwrc Compact stock with intergral sling attachment point
  • Grip: Magpul MOE +
  • Weight: 7.3lbs
  • Magazine: One Magpul Six8 Thirty Round Mag
  • Sights: Lwrc Skirmish Front and Rear
  • Lower: Full Ambidextrous
  • Lwrc Single Point Ambi Sling Adapter
  • 12″ user confiurable rail with 3 Screw on Attachments
  • Color: Burnt Bronze

Additional information

Weight 2.5 lbs
Dimensions 10 × 11 × 12 in


Trigger Upgrade


2 reviews for LWRC SIX8 RAZORBACK II

  1. John Akins

    After a bunch of real world field testing with the LWRC SIX8 I think it is time to add a review. We have a large group in GA that hunts hogs and deer with the SIX8 Razorback II and Six8 A5. We hunt in all conditions rain or shine and the LWRC Six8 Razorback is our weapon of choice because of its reliability and accuracy. The Six8 round in its self is a great caliber for hunting as it falls between the 308 and the 556 as do many rounds but the Six8 has better range and accuracy than most while keeping the capacity and energy up and the weight down keeping the LWRC Six8 very agile. We have over 10 rifles in our group and they all are shooting sub MOA out of the box… in fact more like 1/2 to 1/4 inch groups at 100 yards with Federal Fusion 115 grain MSR ( 2500fps ) and Hornady 120 SST ( 2600 FPS ) delivered from a 16.1 inch barrel suppressed and unexpressed … I shoot the Six8 for permits and for Hunting during our regular season suppressed and could not be happier with the performance … Why LWRC Six8 … the LWRC Six8 is a special weapon… it has a special mag and mag-well with feed ramps specifically designed around the Six8 caliber which is driven by LWRC’s adjustable 2 position piston system… with no tools you can simply select suppressed or unsurpassed and the gun will feed and operate flawlessly which is crucial when hunting quietly in the dark and the light of day. If you have never experienced the frustration of other Six8 rifles I would share with you that it can be frustrating to find the perfect round for your application with no good way to deliver it… jams and failure to feeds are a thing of the past with the LWRC Six8 as you can imagine these problems are unacceptable when shooting in the dark so the LWRC Six8 Razorback II and LWRC Six8 are the clear choice when you are serious about a reliable weapon… the available Geisselle trigger upgrade is also part of our must have package… If you are looking for performance, durability and accuracy out of your next rifle… the LWRC Six8 A5 and LWRC Six8 Razorback II should be considered for your next rifle. We deal with Extreme Guns and Ammo because they have fast friendly service and they have never let us down.

  2. hesr84 (verified owner)

    I’m very pleased with this rifle and I really recommend Xtreme Guns and Ammo.

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