BudsGunShop.com - Twist rate

This barrel is 1:8 RH twist. "This is the famous RF85 Treated Anderson M4 AR-15 rifle. This Optic ready Firearm is chambered in .223/5.56 comes with a 16” Chrome Moly Vanadium Steel M4 contour barrel 1-8 twist , Forged Receivers, A2 Hand Guard, 6 position butt stock, A2 pistol grip, A2 Flash Hider, Anderson’s proprietary 17-4 stainless steel match grade Trigger and Hammer, Standard Charging Handle, Single point sling mount, one thirty round magazine. All receivers, charging handles and buffer tubes are 7075 T6. "

1 :8 see ***** Specifications and Features:
Anderson Manufacturing AM-15 Optics Ready B2-K850-A000-R
AR15 Semi Automatic Rifle
5.56 NATO (also accepts .223 Remington)
30 Rounds
16" M4 Profile Barrel
******1:8 Twist
A2 Flash Hider
Railed Gas Block
Forged 7075-T6 Receivers
6 Position Collapsible Stock
A2 Handguard
A2 Grip
Black Finish
RF85 No Lube Treatment
Overall Length 32.5" to 36.125"
Weighs 6.2 lbs