Description
AR Buttstock Kit – Mil-Spec | Complete Kit for Your AR-15 Build
Looking for a rugged, no-nonsense Mil-Spec AR-15 Buttstock Kit? This complete assembly from LBE Unlimited includes everything you need to finish out your lower receiver with reliable, combat-tested components. Whether you’re building your first rifle or upgrading from commercial-spec parts, this USA-made kit delivers the fit, finish, and function you expect.
Kit Includes:
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Mil-Spec 6-Position Buffer Tube (7075-T6 Aluminum)
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M4-Style Adjustable Buttstock
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Carbine Buffer
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Carbine Buffer Spring
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Receiver End Plate
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Castle Nut
Why Choose This Kit?
✔️ True Mil-Spec Buffer Tube – 7075-T6 Aluminum
Precision-machined from aircraft-grade aluminum for strength and durability. Fits all standard Mil-Spec AR-15 lower receivers. Six-position adjustability allows you to customize length-of-pull for comfort and control.
✔️ Durable M4-Style Buttstock
Lightweight, impact-resistant polymer construction. Built for rugged use without the rattle or play found in cheap imports.
✔️ Complete Assembly – No Guesswork
Comes with everything you need: buffer, spring, end plate, and castle nut. All components are built to exacting Mil-Spec standards and designed to work together seamlessly.
✔️ Perfect for:
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AR-15 and M4-style rifle builds
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Replacing worn-out or commercial-spec stock kits
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DIY builders and gunsmiths looking for proven, American-made reliability
Made in the USA
LBE Unlimited is trusted by professionals and hobbyists alike for their commitment to quality and precision. Every part is manufactured in the United States to meet or exceed Mil-Spec requirements.
Build it right the first time.
Choose the LBE Unlimited AR Buttstock Kit and enjoy rock-solid performance from a name that’s earned respect in the firearms industry.