Check the listing for details. SIG Sauer MCX Rattler CO2 BB Rifle. Condition: New. Listed at 175.95 USD. SIG Sauer MCX Rattler CO2 BB Rifle CO2 power .177 caliber (4.5mm) BBs Semi-automatic and 3-round burst modes 30-round drop free magazine Ambidextrous controls Textured pistol grip Flip-up front and rear sights Long Picatinny optics rail M-LOK handguard Minimalist folding stock Field strips like the firearm Max. velocity: 300 FPS Uses one 12-gram CO2 cartridge Weight: 4.6 lbs. (with magazine) Barrel length: 5.5" Overall length: 23.63" # This listing complies with eBay’s air gun guidelines found here and I will only sell and ship air guns to buyers in jurisdictions where permitted by applicable laws {URL0}|PI_BLOCK_Airguns_BB_no_disclaimer_952593|952593|http://pages.ebay.com/help/policies/firearms-weapons-knives.html|http://pages.ebay.com/help/policies/firearms-weapons-knives.html|{URL0}