The Barra 1100z Pre-Charged Pneumatic .177 caliber air rifle was meticulously built with the serious shooter in mind. Being built with premium components, it offers high performance and accuracy right out of the box. This 177 pellet gun is packed with features that make customization easy. It is backed by a 1-year warranty and replacement parts are readily available to keep you shooting for years to come. Unregulated PCP gun with a max fill pressure of 3000 PSI via the standard Foster quick disconnect. The hammer spring is adjustable so you can easily adjust the power, noise, and shot count to suit your needs. with heavier pellets, the 1100z can produce muzzle energy exceeding 30 FPE in .177 cal. The trigger is adjustable and has a manual safety. 14.30 gr pellets, 975 FPS, 30 FPE, 18.52 gr pellets, 925 FPS, 35 FPE We crafted this hunting pellet rifle with premium materials for reliability and performance. The breech and scope rail are machined from a single block of metal for maximum durability and accuracy. The solid steel side lever and handle make for extremely light cocking effort and rapid reloading. The bolt is smooth and seals in the breech, lacking the troublesome dual O-ring setup found in many air rifles. The rifled .22 gun barrel has an aluminum air stripper that attaches with 1/2-20 threads, keeping it perfectly centered in the shroud. The shroud also features 1/2-20 threads under a knurled thread protector for additional noise suppression. The shroud is locked in place and aligned with the action with a barrel band that screws into the stock instead of just clamping around the air tube. Reinforced polymer stock features ambidextrous comb height adjustment so you can get perfect alignment with your scope. Great for left handed shooters! The rubber butt-pad shoulders well and avoids slipping. The foregrip swells for easy carrying and bags well too. The stock has a rear sling attachment point and has a front picatinny rail for accessory mounting.