TacFire MAR049B Mil-Spec AR-15 Aluminum Buffer Tube Kit - Black (AR-Pistol Platform)TacFire$25.90
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TacFire
Building a dependable AR pistol means starting with solid fundamentals, and the TacFire MAR139C short buffer tube system is a no-nonsense choice for shooters who want a compact, reliable receiver extension without the frills. This black anodized aluminum assembly is purpose-built for the AR pistol platform, giving you a shorter profile than a standard carbine tube while maintaining the function and compatibility that keeps your gun running. Whether you're assembling your first pistol-caliber AR or upgrading an existing build, the MAR139C delivers straightforward performance at a practical price point.
The QD (quick-detach) end plate integrated into this system adds functional flexibility. Quick-detach sockets let you mount and remove sling attachments without tools, which matters whether you're moving through tight spaces, transitioning between shooting positions, or stowing your firearm quickly. For AR pistol builders and owners who value modularity and ease of setup, that's a practical advantage.
Black anodized aluminum construction is standard for AR platform parts—durable, corrosion-resistant, and lightweight. The short buffer tube format is essential to the AR pistol design, keeping the overall length down while accommodating the buffer and spring system your action requires. If you're building or maintaining an AR pistol, this is the kind of foundational component that either works quietly in the background or becomes a real headache if you cheap out. TacFire's MAR139C sits in the reliable middle ground.
| Brand | TacFire |
| Model | MAR139C |
| Platform | AR Pistol |
| Material | Black Anodized Aluminum |
| End Plate Type | QD (Quick-Detach) |
Yes. The MAR139C short buffer tube system is designed specifically for the AR pistol platform and will work with compatible AR pistol receivers and assemblies.
The QD (quick-detach) end plate lets you attach and remove sling hardware without tools. This is handy for shooters who switch between different carry methods or need to stow their firearm quickly.
The MAR139C is constructed from black anodized aluminum, which provides corrosion resistance and durability while keeping weight down—standard for quality AR platform components.
TacFire
Building a dependable AR pistol means starting with solid fundamentals, and the TacFire MAR139C short buffer tube system is a no-nonsense choice for shooters who want a compact, reliable receiver extension without the frills. This black anodized aluminum assembly is purpose-built for the AR pistol platform, giving you a shorter profile than a standard carbine tube while maintaining the function and compatibility that keeps your gun running. Whether you're assembling your first pistol-caliber AR or upgrading an existing build, the MAR139C delivers straightforward performance at a practical price point.
The QD (quick-detach) end plate integrated into this system adds functional flexibility. Quick-detach sockets let you mount and remove sling attachments without tools, which matters whether you're moving through tight spaces, transitioning between shooting positions, or stowing your firearm quickly. For AR pistol builders and owners who value modularity and ease of setup, that's a practical advantage.
Black anodized aluminum construction is standard for AR platform parts—durable, corrosion-resistant, and lightweight. The short buffer tube format is essential to the AR pistol design, keeping the overall length down while accommodating the buffer and spring system your action requires. If you're building or maintaining an AR pistol, this is the kind of foundational component that either works quietly in the background or becomes a real headache if you cheap out. TacFire's MAR139C sits in the reliable middle ground.
| Brand | TacFire |
| Model | MAR139C |
| Platform | AR Pistol |
| Material | Black Anodized Aluminum |
| End Plate Type | QD (Quick-Detach) |
Yes. The MAR139C short buffer tube system is designed specifically for the AR pistol platform and will work with compatible AR pistol receivers and assemblies.
The QD (quick-detach) end plate lets you attach and remove sling hardware without tools. This is handy for shooters who switch between different carry methods or need to stow their firearm quickly.
The MAR139C is constructed from black anodized aluminum, which provides corrosion resistance and durability while keeping weight down—standard for quality AR platform components.
