This durable, high-impact polymer carbine buttstock is designed for quick and easy adjustment with multiple sling attachment options. • Reinforced polymer construction• Precision fit for quick and smooth length adjustment• Designed for comfortable cheek weld• Ambidextrous sling mounting locations with preinstalled 1” quick-detach sling swivel• Different models available to fit commercial or military-sized carbine tubes• Measure rear tube diameter to determine fit (Commercial = 1.170” or MIL = 1.146”)