A powerful small Semi-auto airgun pistol Specs Semi Automatic Pre-charged pneumatic (PCP) air pistol. .35 CAL 81 Grain - 61.01 Joules / 45 Foot Pounds Energy (FPE) Max. Muzzle Velocity 490 FPS .45 CAL 155 Grain - 67.79 Joules / 50 Foot Pounds Energy (FPE) Max. Muzzle Velocity 360 FPS Big Bore Pistol 3.7CC cartridge capacity MAX fill pressure 5000 PSI Sight Rail Red Laser equipped Overall Length: 8 Inches Extension A 10.75 Inches Extension B 10 Inches Weight: Under 1 pound One (1) Year Limited Manufacturer's Warranty. PRE-CHARGING YOUR DEFENDER 2 CARTRIGES: The Defender 2 Cartridges have a replacable rubber seal and may loose pressure over a period of months or years. However we have tested their ability to hold pressure over a two year period of time and about half of them held full pressure over this two year period of time! Accessories included:  2 Barrels with Rifling (LONG BARRELS) Open Site W/ Red Laser Installed 2 Cartridges 100 Burst Discs 1 Fill Adapter (SHORT BARRELS NOT INCLUDED) FRIENDLY NOTICE: Please read below the DISCLAIMER and the SHIPPING & RETURNS POLICY carefully before you purchase. We appreciate your patience. We do not accept returns or exchanges unless the item you purchased is defective. This listing complies with USA air gun guidelines and I will only sell and ship airguns to buyers in jurisdictions where permitted by applicable laws. Warning Must be 18 and over to purchase airguns. Please check local and state laws. Never point airguns at a person or any living thing. Airguns can cause serious injury or death. Review manual prior to initial use. High Quality Precision Semi-Automatic Airguns