This CMMG rifle comes with one 20-round magazine, the owner's manual, an adjustable stock, MBUS sights, a PWS muzzle brake, and it's equipped with a Vortex Crossfire II 4-12X40MM scope in a Burris PEPR quick release mount. 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.