Product Name: Ar10 Ar 10 308 A1 A2 Butt Stock Buffer Tube Assembly Kit Model NO.: SCSKK-AR04 Condition: NEW Customized: Non-Customized Brand: Tac Vector Optics Application: for Entertainment, for Hunting, for Game Material: Aluminium Alloy Type: Real Rifles Color: Black Buffer Weight: 153G (5.4 Ounce) Buffer Length: 134mm (5.3 Inch) Tube Length: 255mm (10.0 Inch) Total Kit Weight: 332g (11.7 Ounce) Trademark: TAC Vector Optics Transport Package: No Specification: High Quality fit Real Fire Caliber Origin: China HS Code: 90059090 Product Description Product DescriptionOriginal Manufacturer100% Trade Aussrance Security!!!ModelSCSKK-AR04Total Weight332g (11.7 ounce)Buffer Length134mm (5.3 inch)Materialhigh quality aluminum alloy in durable black matte finishQuality Made in China under our strict quality controlModel:SCSKK-AR04Total kit weight:332g (11.7 ounce)Buffer weight:153g (5.4 ounce)Buffer length:134mm (5.3 inch)Spring length: 315mm (12.4 inch)Tube length:255mm(10.0 inch)Proof:Shock proof, water proofTube material:high quality aluminum alloy in durable black matte finishKit includes:Extension tubeA2 spacerAssembly screw308 recoilbuffer308 recoil springPackaging & ShippingTransparent small Plastics bag,shipping dependsOur ServicesExcept man-made mistakes, we will exchange the defective with a brand new one within 14 days after youget our product. According to the guild regulations customer shall be responsible for the returning shipping fee.All scopes and items have three years warranty.Company InformationCompany Policy: Strive for the Customer SatisfactionWe have rich experience upon the international order all over the world.We can deliver the order to APO Box. We will combine the shipping cost for multi items purchase.FAQFinally, your feedback and suggestion are very important for us.Thanks again for your attention. We sincerely hope you will enjoy our products.