This Palmetto State Armory LETSGO-15 features a Magpul MOE stock, a Magpul MOE pistol grip, an extended latch aftermarket charging handle, a 15" M-Lok handguard, a safety, a 1/24 twist, muzzle device, and a Sig Romeo 5 red dot optic (needs batteries) on a Tread mount. Two 8-round magazines are included. Serial number: BRANDON002836 Get the best bang for your buck when you get a Certified Used Firearm. When you see the Certified Used stamp on any of our firearms, you can be confident that you're getting exactly what you want - a gun only in very good to excellent condition and held to the highest quality standard. All Certified Used Guns come with a 'no questions asked' return policy.