My same Colt model SP6920 marked "Sporter M4 Carbine" made & bought new in 2011 now with Aimpoint Duty red dot on Scalarworks 1.9 high QD mount.
Current components:
Colt LE6920 EPR CK upper half conversion kit with Centurion Arms 13.5 M-LOK rail system upper half
Scalarworks Peak 01 fixed front sight
Troy folding rear sight
Magpul M-LOK handguard panels
Impact Weapons Components front M-LOK hand stop
BCM KAG rear M-LOK hand stop
Geissele Airborne ambi charging handle
Norgon ambi mag catch
LMT ambi selector
Geissele G2S trigger group
Surefire Scout M600U weaponlight with Haley Strategic Thorntail M-LOK offset mount
B5 Systems coyote grip with accessory bottom plug
B5 Systems Bravo coyote SOPMOD stock
Magpul PMAG gen 3 MCT with windows