LBE Unlimited AR-15 Buffer Tube Kit Mil-Spec

LBE Unlimited AR-15 Buffer Tube Kit Carbine

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Your Price: $44.68

The LBE Unlimited AR15 Mil-Spec Buffer Tube Kit includes a 6-position mil-spec buffer tube, carbine buffer, spring, receiver end plate, and castle nut. Complete USA-made kit for standard AR-15 carbine stock assembly.

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Part Number: LBMILBUFKT

Availability: In Stock.

Mil-Spec 6-position buffer tube with hardcoat anodized finish

Standard carbine buffer, carbine buffer spring, end plate and castle nut for secure installation

Accepts all standard mil-spec AR-15 buttstocks

Ideal for new builds, mil-spec upgrades, or spare parts

100% Made in the USA

Quantity

Description
Customer Reviews

The LBE Unlimited AR15 Mil-Spec Buffer Tube Kit is a complete, ready-to-install assembly designed for standard AR-15 carbine builds. This full kit includes a true mil-spec 6-position buffer tube, carbine buffer, carbine buffer spring, receiver end plate, and castle nut - everything needed to properly assemble the rear of your lower receiver with military-spec components.

Manufactured to strict mil-spec standards in the USA, this kit delivers reliable fit, smooth function, and long-term durability for new builds, upgrades, or replacements.

Features

Mil-Spec 6-position buffer tube with hardcoat anodized finish
Standard carbine buffer and carbine buffer spring for reliable cycling
Receiver end plate and castle nut for secure installation
Complete drop-in ready kit - no additional parts required for basic stock assembly
Accepts all standard mil-spec AR-15 buttstocks
Ideal for new builds, mil-spec upgrades, or spare parts
100% Made in the USA

Rating Snapshot

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Average Customer Ratings

5.0

Good buffer tube

I haven't used LBE parts before but DTS recommended this as a good kit and they were right. Thanks!

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Reviewed by: Mark from Las Vegas NV on 6/15/2026

LBE Unlimited AR-15 Buffer Tube Kit Mil-Spec Gray

LBE Unlimited AR-15 Buffer Tube Kit Carbine Gray

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LBE Unlimited AR-15 Buffer Tube Kit Mil-Spec Red

LBE Unlimited AR-15 Buffer Tube Kit Carbine Red

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LBE Unlimited AR-15 Buffer Tube Kit Mil-Spec Brown

LBE Unlimited AR-15 Buffer Tube Kit Carbine Brown

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LBE Unlimited AR-15 Buffer Tube Kit H1

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LBE Unlimited AR-15 Buffer Tube Kit H2

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LBE Unlimited AR-15 Buffer Tube Kit H3

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LBE Unlimited AR-15 Buffer Tube Kit Carbine

Average Customer Ratings

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