Features:CNC machined from Aluminum alloyLow hinge stays out of the way when charging the weaponLong-lasting durable DLC finishDescription:The Folding Stock Adapter is designed to be compatible with a wide range of AR-15 and AR-10 rifle set ups. Whether you run a direct impingement or piston gun, this AR folding stock adapter will work, allowing you to build an extremely compact rifle for storage or transportation. No need for a proprietary bolt carrier group or buffer tube, just install on your receiver and you are ready to go. A single button allows you to quickly fold your stock for storage or unfold it for shooting. The Gen 3 Folding Stock Adapter is a great option for those looking to build an AR that won’t take up much space in the range bag.Specification:Net Weight: 135g （4.76 oz.）Adds 1.3” length of pullPackage Includes: 1 x AR Folding Stock Adapter1 x installation tool1 x bolt carrier extension1 x flangeNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow slight dimension difference due to different manual measurement.