BudsGunShop.com - twist rate

Hi Pat, its a 1 in 28" twist rate and The trigger is not adjustable.--Full Specifications and Features:
CVA Optima V2 Nitride Barrel PR2020S
Break Action
Black Powder Rifle
.50 Caliber
26" In Line Barrel
416 Stainless Steel Fluted Barrel
Bullet Guiding Muzzle
QRBP Quick Release Breech Plug
Reversible Hammer Spur
Drilled and Tapped Receiver
Fiber Optic Sights
PalmSaver R amrod Handle
Solid Aluminum Ramrod
Sling Swivel Studs
Black Synthetic Stock
Crush Zone Recoil Pad
Black Nitride Finish
14" Length of Pull
Overall Length 41"
Weight 6.65 Pounds

The Optima V2 is equipped with the QRBP Quick Release Breech Plug. This innovative breech plug design is easily removed in the field - no tools required! This muzzle loader features a 26" barrel with a 1 in 28" twist rate. The CVA Optima V2 offers a neutral center-of-gravity trigger that is not adjustable.