Product Description The ODIN Works Adjustable Rifle Buffer is designed specifically for AR-15 rifles using rifle-length buffer tubes. Built with a high-quality aluminum body, it allows you to fine-tune recoil impulse and cycling by swapping included internal weights. This makes it an excellent upgrade for shooters looking to optimize reliability and feel across different setups and ammunition. Product Highlights Purpose-built adjustable buffer for AR-15 rifle-length buffer tube systems Aluminum body provides lightweight strength and durability Adjustable weight system helps tune recoil impulse and cycling performance Includes aluminum, stainless steel, and tungsten weights for broad tuning capability Weight tuning range (with included weights) from 3.17 oz to 7.05 oz Specs Brand: ODIN WORKS Manufacturer Part Number: OSABSAR15RIFLE UPC: 850048530607 Platform Fit: AR-15 Buffer System Compatibility: Rifle-length buffer tube Body Material: Aluminum Included Weights: 5.5 aluminum, 3 stainless steel, 2 tungsten Adjustable Weight Range (with included weights): 3.17 oz to 7.05 oz Color: Red 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 products manufacturer.