Sons of Liberty Gun Works M4 .223 Wylde AR-15 — Broadsword Upper, L89 Drive-Lock Handguard, 14.5 in Pinned/Welded to 16.5 in, B5 FDE Stock, Black Grip, Custom Controls
This Sons of Liberty Gun Works M4 pairs the Broadsword Upper with the L89 Drive-Lock free-float handguard and a .223 Wylde chamber for versatile performance. It features a 14.5 inch barrel pinned and welded to a legal overall length of 16.5 inches, a three-prong muzzle device, and thoughtful upgrades including a B5 Systems FDE stock with a black B5 Systems grip, an ambidextrous safety, an HRF Concepts flared magwell funnel, and a Magpul B.A.D. Lever. The package includes two Magpul PMAG GEN M3 window 30-round magazines.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Details: This firearm is in great shape. There are some scratches and blemishes present. Carbon buildup is present on the muzzle device. Discoloration is present on the FDE-colored stock and magwell funnel.
What’s Included
- Sons of Liberty Gun Works M4 semi-automatic rifle in .223 Wylde
- 2x 30-round Magpul PMAG GEN M3 window magazines
- HRF Concepts flared magwell funnel (installed)
- Magpul B.A.D. Lever bolt catch extension (installed)
The L89 Drive-Lock handguard uses a titanium barrel nut and the Drive-Lock clamping system for secure, repeatable attachment. It is a free-float aluminum design with seven-sided M-LOK geometry, integrated limited-rotation steel QD sockets, and a full-length T-marked 1913 top rail.
The 14.5 inch barrel is pinned and welded to a legal overall length of 16.5 inches and capped with a three-prong muzzle device. This configuration delivers the handling of a shorter system while meeting length requirements.
The Broadsword Upper is a billet-style receiver that includes a forward assist and ejection-port cover. Receivers and handguard feature hard-coat anodized finishes over aluminum construction.
Ergonomics and controls are upgraded with B5 Systems furniture featuring an FDE collapsible stock and a black pistol grip, an ambidextrous safety selector, an HRF Concepts flared magwell funnel for faster reloads, and a Magpul B.A.D. Lever for extended bolt control. The .223 Wylde chamber supports both .223 Remington and 5.56 NATO ammunition, and capacity is 30+1.