Product Description The Samson B.R.E. (Bufferless Receiver Extension) with folding Picatinny adapter is a 6-position adjustable carbine receiver extension built to integrate with mil-spec AR-15 adjustable carbine stocks. Designed for bufferless setups, it adds a compact folding mechanism while maintaining a mil-spec stock interface, and features an installation ramp to make mounting an AR-15 stock easier. Stock not included. Product Highlights 6-position adjustable carbine receiver extension for mil-spec AR-15 adjustable carbine stocks Integrated folding Picatinny (1913-style) stock adapter for compact transport and storage Folding mechanism can be removed and reattached for right-side folding configuration Installation ramp helps improve ease of installing an AR-15 stock Compatible with select bufferless platforms (per manufacturer/distributor listings) Specs Brand: Samson Manufacturing Corp. Product: B.R.E. (Bufferless Receiver Extension) with folding Picatinny adapter Adjustment: 6-position Compatibility: Mil-spec AR-15 adjustable carbine stocks Material: 6061-T6 Aluminum Finish: MIL-A-8625 Type III Class 2 anodizing Length: 6.36 in Height: 1.44 in Width: 0.09 in UPC: 850059556146 Manufacturer Part Number: 04-06143-01 Made in: Keene, New Hampshire, USA In the box: Receiver extension with folding adapter (stock not included) Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.