Colt SP1, AR-15a1 - ADS POV Shooting
Colt AR-15 SP1
Shooting a Colt AR-15 SP1 in 5.56mm with Lightning Link installed
Meet The Great Grandpappy Of The AR-15 Rifle: The Colt AR-15 Model SP1
Colt SP1 20" #1
Colt SP1 Carbine Chapter 2
Colt SP1 - The Original AR
Colt SP1 AR-15 Carbine
1975 Colt SP1 AR-15 one of the earliest available AR's.
Colt SP1 Vs Colt AR15-A2
Colt SP1 Carbine
Shooting the Colt M16A1 (full auto)
Colt SP1 made in 1969
AR 15 A1
Colt's SP1 AR15 - The Original Modern Sporting Rifle
1974 Colt SP1 Carbine #1
Colt SP1 Upclose View
Colt AR15 SP1 the rifle that started it all, in Episode 12 of This Old Gun
Colt SP1 CAR 15 A1 R6003
Colt SP1: Overview and Shooting