SOLGW SIMPLE JACK 13.7" Rifle

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!

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
• H 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