
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

[…] Sons Of Liberty Gunworks in collaboration with HUXWRX has released the SOLGW 13.7 inch complete upper receiver group featuring HUXWRX new Flash Hider-QD 556 1/2×28 XL designed to reach the 16 inch requirement from a 13.7 inch barrel. […]