Sons Of Liberty Gunworks has recently shown off the S1MPL3 Jack 13.7 AR pattern rifle.

Sons Of Liberty Gunworks state “SOLGW M4-SIMPLEJACK-13.7 is one of Sons of Liberty Gun Works premier AR 15 Rifles, featuring a 13.7-inch barrel made from 4150 CrMoV steel with a 1:7 twist rate that’s been high-pressure tested and magnetic particle inspected.

The upper receiver of the M4-SIMPLEJACK-13.7 also has a .750 inch gas block Journal and an appropriately sized gas port to ensure maximum efficiency.

This rifle comes outfitted with B5 systems stock, pistol grip, and a Magpul MOE SL handguard, Laurue Tactical MBT-2S Flat Trigger, and a HRF Concepts Magwell!”

SPECIFICATIONS:

UPPER FEATURES INCLUDE:

  • 13.7″ Government contour
  • 5.56 NATO Chamber
  • 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E)
  • 1:7 Twist Rate
  • 1/2×28 Threaded Muzzle
  • .750″ Gas Block Journal w/Appropriately sized gas port
  • Chrome Plated Stripes BCG
  • QPQ coated M4 Feed Ramp Barrel Extension
  • Sons of Liberty “F” marked Front Sight Block
  • Mid Length Melonited Stainless Steel Gas Block
  • Magpul SL Mid-length Hand guard
  • Pinned 9 Port NOX 5.56 Muzzle Device Keymount

LOWER RECEIVER FEATURES INCLUDE:

  • Forged 7075-T6 Aluminum with Type II Hardcoat and Bright Dip
  • Machine finished to improve tolerances
  • Matte black hard-coat anodized finish
  • Compatible with Mil-Spec parts and receivers
  • SOLGW M4 Stripes Lower Receiver
  • HRF Concepts Enhanced Magwell
  • Larue Tactical MBT-2S Flat Trigger

BUFFER FEATURES INCLUDE:

  • Mil-Spec Buffer System
  • 6 Position Mil-Spec Receiver Extension Tube made from 7075-T6 Aluminum
  • H2 Buffer
  • Sprinco Blue Spring
  • Mil-Spec Receiver End Plate with staked Castle Nut

ADDITIONAL FEATURES INCLUDE:

  • B5 Systems Aluminum Trigger Guard
  • B5 Systems Grip
  • B5 Systems Bravo Stock

To learn more about Sons Of Liberty Gunworks. CLICK HERE

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