The SOLGW x Sage Dynamics collaboration gun is built for hard use like all SOLGW firearms, with touches defined by Aaron Cowan of Sage Dynamics. New for 2026 is the 12.5″ length, featuring a 12.5” P3 Chrome Lined barrel developed for the MK1.

Sage Collaboration guns are currently on a 90-day lead time. Also check with your local dealer for availability.

Specifications

• RailScales RSBM-P Vert Grip & HTP Dragon Rail Covers in FDE
• Magpul MOE Grip & CTR Stock (SBR) or SBA5 (Pistol/Other) in FDE
• L2S – Liberty 2-Stage Trigger
• Inermediate Length Buffer System with 9 Position tube, A5H2 buffer and stainless steel spring
• SOLGW L89 11.75″ Seven-Sided MLOK rail
• HUXWRX 5/8×24 Flash Hider for HUXWRX 556K or 6K suppressors
• SOLGW Liberty Charging Handle (ambi) in Tan
• SOLGW 50 Degree Quick Safety Selector (ambi)
• Sage Dynamics logo lasered on magwell
• Rifle ships with one, 30rd Gen3 PMAG (or compliant magazine for applicable locations)
• Gray H227 Cerakote
• P3 Chrome-Lined 4150 Barrel, 1/7 twist, 12.5″ Carbine length gas system (MK1 barrel)

UPPER RECEIVER SPECS

• Machined of 7075-T6 Aluminum Forgings and Hardcoat Anodized, Type III, Class 2
• M4 Feed Ramps
• Liberty Charging Handle (Ambidextrous)
• SOLGW Legendary Bolt Carrier Group
  • Machined from Carpenter No. 158 Steel
  • HPT/MPI (High Pressure Tested/Magnetic Particle Inspected)
  • Shot Peened
  • Tool Steel Extractor
  • Chrome Lined Carrier
  • Full-Auto profile
  • Chrome Lined Gas Key w/ Staked Grade 8 Screws
  • Individually Test-Fired on machine gun for function
• Drive-Lock Handguard for superior lockup, including anti-rotation tabs and stainless steel pin connecting upper and handguard.
  • Includes integral QD swivels at 10 & 2 o’clock
  • 7-sided MLOK

LOWER RECEIVER SPECS

• Machined of 7075-T6 Aluminum Forgings and Hardcoat Anodized, Type III, Class 2
• Stripes Rollmark
• Low shelf cut for all legal uses
• Integral QD mount end-plate, dual staked in place
• SOLGW Intermediate buffer system with A5H2 for enhanced reliability and shootabliity with suppressors
• SOLGW Liberty 2-Stage trigger (4.5 lb)
• SOLGW Quick Adjust 50 Degree safety selector (Ambi)

BARREL SPECS

• P3 Polygonal rifling or superior precision, barrel life and ammunition forgiveness.
• 1:7 twist
• 41v50 ChromMoly
• .223 Wylde Chamber, accepts .223 Rem and 5.56 NATO
• Chrome-Lined chamber and bore
• Phosphate coated exterior
• 5/8×24 thread pitch for better use with suppressors
• HUX QD FH for FLOW 556K/6K suppressors
• .750″ gas journal with deep dimple
• 12.5″ Carbine gas length
• 14.5″ Mid-Length gas length