LBE Unlimited AR Pistol Buffer Tube Kit Black
LBE Unlimited
$48.69
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LBE Unlimited
LBE Unlimited AR Pistol Buffer Tube Kit Black
The LBE Unlimited AR Pistol Buffer Tube Kit delivers everything you need to complete a compliant, reliable AR-15 pistol build in one convenient package, finished in a durable matte black.
- No buttstock provision keeps your AR pistol build legally compliant
- Foam end cap provides a comfortable, cushioned cheek weld surface
- Mil-Spec dimensions ensure broad compatibility with standard AR-15 lower receivers
- Complete kit includes buffer tube, carbine spring, buffer, end plate, and castle nut
- USA-made components from a trusted American firearms parts manufacturer
- Durable black finish resists corrosion and withstands hard field use
Who This Is For
This kit is ideal for builders assembling an AR-15 pistol from the ground up, or anyone upgrading an existing pistol lower to a complete, compliant buffer system. It suits both first-time builders who want a simple all-in-one solution and experienced gunsmiths looking for reliable, American-made components at a competitive price point.
Specifications
| Brand | LBE Unlimited |
|---|---|
| Finish | Matte Black |
| Platform | AR-15 Pistol |
| Buffer Type | Standard Carbine Recoil Buffer |
| Spring Type | Carbine Recoil Spring |
| Tube Spec | Mil-Spec |
| Buttstock Provision | None (Pistol Compliant) |
| End Cap | Foam Padded |
| Kit Includes | Buffer Tube, Buffer, Spring, End Plate, Castle Nut |
| Country of Origin | USA |
Frequently Asked Questions
What makes this buffer tube kit "pistol compliant" versus a standard carbine kit?
This buffer tube is specifically designed with no provision to accept or mount a traditional buttstock. Because attaching a buttstock to an AR-15 pistol can change its legal classification under federal law, this pistol-specific tube keeps your build within the AR pistol configuration. The foam end cap replaces the stock and offers a comfortable surface for a cheek weld without creating a prohibited feature.
Will this kit work with any AR-15 pistol lower receiver?
Yes — the LBE AR Pistol Buffer Tube Kit is built to Mil-Spec dimensions, making it compatible with the vast majority of standard AR-15 pistol lower receivers on the market. The included castle nut and end plate are also standard AR-15 spec, so installation requires only common armorers' tools such as a castle nut wrench and receiver vise block.
Can I use this buffer tube kit with a pistol brace?
Many popular pistol stabilizing braces are designed to fit over a standard pistol buffer tube just like this one. However, brace compatibility varies by manufacturer and model, so it is always best to verify the inner diameter and fit requirements of your specific brace against this Mil-Spec tube before purchasing. Always ensure your overall configuration remains compliant with current federal regulations regarding pistol braces.
