jeff
Well-known member
This was a refresh of my post ban 16” M4. I was orginally going to use this lower to build my 6arc. Already stamped. I shot this at carbine night last Tuesday. Will never replace my OB1 but built as a fun, more manueverable, platform.
2026 Carbine Refresh
Lower: Colt M4 Carbine
Controls: Forward Controls Design (FCD), HDSI pins, FCD 50° Selector
Receiver Extension: FCD Tube, Colt carbine spring, H buffer weight
Stock: B5 Sopmod
Fire Control Unit: Geissele SSA
Grip: DFCO Kung Fu
Upper: Colt M4 cage code
Charging Handle: Geissele Super
BCG: SOLGW Nickel Teflon Coated NTC
Dust Cover: FCD Dimpled
Forward Assist: FCD Low Snag serrated
Barrel: Colt 10.3 Crane spec 1:7, Carbine length gas .075
Gas Block: Bravo Company low pro, .075
Handguard: FCD 9.5” MLok
Muzzle Device: Huxwrx Flash Hider QD 1/2 x 28
Suppressor: Huxwrx Flow 6K
Optic 1: Arken EP-8 1x8 LPVO, ADM QD 1.93, 30mm
Optic 2: Acro P2, Reptilia 1/3
LAM: SMS Trinity


2026 Carbine Refresh
Lower: Colt M4 Carbine
Controls: Forward Controls Design (FCD), HDSI pins, FCD 50° Selector
Receiver Extension: FCD Tube, Colt carbine spring, H buffer weight
Stock: B5 Sopmod
Fire Control Unit: Geissele SSA
Grip: DFCO Kung Fu
Upper: Colt M4 cage code
Charging Handle: Geissele Super
BCG: SOLGW Nickel Teflon Coated NTC
Dust Cover: FCD Dimpled
Forward Assist: FCD Low Snag serrated
Barrel: Colt 10.3 Crane spec 1:7, Carbine length gas .075
Gas Block: Bravo Company low pro, .075
Handguard: FCD 9.5” MLok
Muzzle Device: Huxwrx Flash Hider QD 1/2 x 28
Suppressor: Huxwrx Flow 6K
Optic 1: Arken EP-8 1x8 LPVO, ADM QD 1.93, 30mm
Optic 2: Acro P2, Reptilia 1/3
LAM: SMS Trinity

