SOLGW x Sage Dynamics L89 Other Firearm

5.56 · 30rd · 12.5" P3 Chrome-Lined 4150 Barrel · L2S 2-Stage Trigger · L89 M-LOK Rail · SBA5 · Gray H227 Cerakote · FDE Accessories The SOLGW x Sage Dynamics L89 is a 5.56 other firearm collaboration with Aaron Cowan of Sage Dynamics. 12.5" P3 chrome-lined 4150 barrel with 1:7 twist and carbine-length gas system—the MK1 barrel configuration. 11.75" SOLGW L89 seven-sided M-LOK rail with integrated QD sockets. Liberty 2-Stage (L2S) trigger at approximately 4.5 lbs with rapid reset. Intermediate length buffer system on 9-position tube with A5H2 buffer and stainless steel spring. SOLGW Liberty ambidextrous charging handle in tan. SOLGW 50-degree ambidextrous quick safety selector. A2 flash hider. SBA5 brace in FDE. Magpul MOE grip in FDE. RailScales RSBM-P vertical grip and HTP Dragon rail covers in FDE. Sage Dynamics logo lasered on magwell and bolt carrier group. Gray H227 Cerakote finish. Ships with one 30-round Gen 3 PMAG or compliant magazine for applicable locations. New for 2026.

12.5" P3 Chrome-Lined 4150 Barrel

12.5" P3 profile 4150 chrome-lined barrel with 1:7 twist and carbine-length gas system. MK1 barrel configuration developed for the SOLGW platform.

L2S Liberty 2-Stage Trigger

Liberty 2-Stage (L2S) trigger at approximately 4.5 lbs with rapid reset. SOLGW Liberty ambidextrous charging handle in tan.

11.75" L89 Seven-Sided M-LOK Rail

SOLGW L89 11.75" seven-sided M-LOK rail with integrated QD sockets for extensive accessory mounting and sling attachment options.

Intermediate Buffer System

Intermediate length buffer system on 9-position tube with A5H2 buffer and stainless steel spring.

FDE Accessories

SBA5 brace in FDE. Magpul MOE grip in FDE. RailScales RSBM-P vertical grip and HTP Dragon rail covers in FDE. SOLGW Liberty ambidextrous charging handle in tan.

50-Degree Ambidextrous Safety Selector

SOLGW 50-degree ambidextrous quick safety selector for positive, fast actuation.

Gray H227 Cerakote / Sage Dynamics Branding

Gray H227 Cerakote finish throughout. Sage Dynamics logo lasered on magwell and bolt carrier group.

A2 Flash Hider

A2 flash hider on muzzle.

Aaron Cowan / Sage Dynamics Collaboration

Designed in collaboration with Aaron Cowan of Sage Dynamics. Sage Dynamics logo engraved on magwell and BCG. New 12.5" configuration for 2026. The SOLGW x Sage Dynamics L89 delivers collaboration-built 5.56 other firearm performance—12.5" P3 chrome-lined barrel with L2S trigger, M-LOK rail, and Gray H227 Cerakote with FDE accessories.

Specifications:

• Manufacturer: Sons of Liberty Gun Works (SOLGW)
• Collaboration: Sage Dynamics / Aaron Cowan
• Model: Sage Dynamics L89
• Caliber: 5.56
• Configuration: Other Firearm
• Magazine Included: (1) 30-Round Gen 3 PMAG (or compliant)
• Barrel Length: 12.5 inches
• Barrel Profile: P3 Chrome-Lined
• Barrel Material: 4150
• Barrel Twist: 1:7
• Gas System: Carbine Length
• Rail: SOLGW L89 11.75" Seven-Sided M-LOK (Integrated QD Sockets)
• Trigger: Liberty 2-Stage (L2S), approx. 4.5 lbs
• Charging Handle: SOLGW Liberty Ambidextrous (Tan)
• Safety: SOLGW 50-Degree Ambidextrous Quick Selector
• Buffer System: Intermediate Length, 9-Position Tube, A5H2, Stainless Steel Spring
• Muzzle Device: A2 Flash Hider
• Brace: SBA5 (FDE)
• Grip: Magpul MOE (FDE)
• Accessories: RailScales RSBM-P Vert Grip (FDE), HTP Dragon Rail Covers (FDE)
• Finish: Gray H227 Cerakote
• Branding: Sage Dynamics Logo (Magwell + BCG)