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Geissele Automatics
The Geissele Automatics AR-15 Premium Buffer Tube is a mil-spec buffer tube engineered for builders and shooters who demand precision parts for their AR platform rifle. Built from 7075-T6 aluminum and finished in Type 3 hardcoat anodize, this carbine-length tube provides the rigidity and durability needed for reliable cycling across a range of shooting conditions—whether you're running a lightweight build, a precision rifle, or a patrol carbine. Made in the USA and weighing just 3.7 ounces, it delivers mil-spec performance without unnecessary weight.
Compatibility is straightforward: the mil-spec diameter design fits standard AR-15 lower receivers and works with the vast majority of mil-spec stocks on the market. The buffer tube ships with a high-quality mil-spec castle nut and end plate, so you have what you need to install it without hunting for additional hardware. Six stock positions give you adjustment options for cheek weld and length of pull, making it adaptable to different shooter needs and setup preferences.
Whether you're assembling a new build from the ground up, upgrading an existing rifle, or swapping out a worn tube, Geissele's reputation for precision manufacturing carries through to this component. It's a solid foundation piece that handles the interface between your lower and stock without flex or rattle.
| Brand | Geissele Automatics |
| Product Type | Buffer Tube (Carbine Length) |
| Material | 7075-T6 Aluminum |
| Finish | Type 3 Hardcoat Anodize |
| Diameter | Mil-Spec |
| Stock Positions | 6 |
| Weight | 3.7 oz |
| Includes | Castle Nut, End Plate |
| Manufacture | USA |
Yes. The Geissele Premium Buffer Tube is mil-spec diameter and carbine length, which is the standard for AR-15 lower receivers. It will fit any standard AR-15 lower without modification.
The mil-spec diameter is compatible with the vast majority of mil-spec stocks on the market. If your stock is designed for a mil-spec diameter buffer tube, it will work with this Geissele tube.
The buffer tube includes a mil-spec castle nut and end plate. You'll need a buffer and spring (not included) to complete the assembly, along with appropriate tools for installation.
The buffer tube provides six positions where a mil-spec stock can be locked into place, allowing you to fine-tune your length of pull for different shooting positions, body armor, or shooter preference.
Geissele Automatics
The Geissele Automatics AR-15 Premium Buffer Tube is a mil-spec buffer tube engineered for builders and shooters who demand precision parts for their AR platform rifle. Built from 7075-T6 aluminum and finished in Type 3 hardcoat anodize, this carbine-length tube provides the rigidity and durability needed for reliable cycling across a range of shooting conditions—whether you're running a lightweight build, a precision rifle, or a patrol carbine. Made in the USA and weighing just 3.7 ounces, it delivers mil-spec performance without unnecessary weight.
Compatibility is straightforward: the mil-spec diameter design fits standard AR-15 lower receivers and works with the vast majority of mil-spec stocks on the market. The buffer tube ships with a high-quality mil-spec castle nut and end plate, so you have what you need to install it without hunting for additional hardware. Six stock positions give you adjustment options for cheek weld and length of pull, making it adaptable to different shooter needs and setup preferences.
Whether you're assembling a new build from the ground up, upgrading an existing rifle, or swapping out a worn tube, Geissele's reputation for precision manufacturing carries through to this component. It's a solid foundation piece that handles the interface between your lower and stock without flex or rattle.
| Brand | Geissele Automatics |
| Product Type | Buffer Tube (Carbine Length) |
| Material | 7075-T6 Aluminum |
| Finish | Type 3 Hardcoat Anodize |
| Diameter | Mil-Spec |
| Stock Positions | 6 |
| Weight | 3.7 oz |
| Includes | Castle Nut, End Plate |
| Manufacture | USA |
Yes. The Geissele Premium Buffer Tube is mil-spec diameter and carbine length, which is the standard for AR-15 lower receivers. It will fit any standard AR-15 lower without modification.
The mil-spec diameter is compatible with the vast majority of mil-spec stocks on the market. If your stock is designed for a mil-spec diameter buffer tube, it will work with this Geissele tube.
The buffer tube includes a mil-spec castle nut and end plate. You'll need a buffer and spring (not included) to complete the assembly, along with appropriate tools for installation.
The buffer tube provides six positions where a mil-spec stock can be locked into place, allowing you to fine-tune your length of pull for different shooting positions, body armor, or shooter preference.
