Strike Industries AR-15/LR-308 Carbine Aluminum Pistol Receiver Extension Buffer TubeStrike Industries$48.95
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Strike Industries
The Strike Industries AR-15 short pistol receiver extension buffer tube kit is a compact, purpose-built solution for AR pistols and short-barreled rifles that need to stay nimble without sacrificing reliability. At just over 5 inches long, this kit reduces overall gun length while keeping the cycling dependable—critical when you're running a braced pistol or PDW-style build. It ships complete with everything you need: a tungsten-filled buffer, a flat-wire buffer spring, and the tube itself, so you can get to the range or field without ordering parts separately.
Built from 7075-T6 aluminum, the tube is stronger than standard 6061 alternatives, meaning it'll handle the abuse of regular shooting and carry without premature wear. The anti-rotation tab locks firmly over the buffer retaining plunger, keeping things stable and preventing the kind of minor shift that can throw off your setup. An integral QD socket at the rear makes sling attachment straightforward with quick-detach hardware, a practical detail for hunters, tactical shooters, and anyone who runs a dedicated support strap. The smooth profile design plays nice with aftermarket pistol braces and stabilizers, so if you decide to upgrade down the road, the tube won't get in your way.
Whether you're building a truck gun, a backpack PDW, or maximizing maneuverability in tight spaces, this kit removes guesswork from the buffer tube question. The tungsten buffer and quality spring combo is proven to cycle reliably across common 5.56 and pistol-caliber uppers, so you're not gambling on round count or ammunition brand sensitivity.
| Brand | Strike Industries |
| Product Type | Pistol Buffer Tube Kit (Receiver Extension) |
| Overall Length | 5+ inches |
| Material | 7075-T6 Aluminum |
| Buffer Type | Tungsten-filled |
| Spring Type | Flat-wire |
| Features | Anti-rotation tab, Integral QD socket, Smooth profile |
The kit includes the receiver extension tube itself, a tungsten-filled buffer, and a flat-wire buffer spring—everything needed for a complete installation.
The smooth profile design is compatible with aftermarket pistol braces and stabilizers. Strike Industries notes it's engineered to work with their Viper Pistol Stabilizer and other popular braces, so check your brace's specs if you have a specific model in mind.
7075-T6 aluminum is stronger and more durable than standard 6061, which means the tube resists wear better over extended use and can handle the stresses of regular shooting and carry.
Yes. The integral QD socket at the rear of the tube accepts standard quick-detach sling attachments, making it easy to add a support strap for carry and operation.
Strike Industries
The Strike Industries AR-15 short pistol receiver extension buffer tube kit is a compact, purpose-built solution for AR pistols and short-barreled rifles that need to stay nimble without sacrificing reliability. At just over 5 inches long, this kit reduces overall gun length while keeping the cycling dependable—critical when you're running a braced pistol or PDW-style build. It ships complete with everything you need: a tungsten-filled buffer, a flat-wire buffer spring, and the tube itself, so you can get to the range or field without ordering parts separately.
Built from 7075-T6 aluminum, the tube is stronger than standard 6061 alternatives, meaning it'll handle the abuse of regular shooting and carry without premature wear. The anti-rotation tab locks firmly over the buffer retaining plunger, keeping things stable and preventing the kind of minor shift that can throw off your setup. An integral QD socket at the rear makes sling attachment straightforward with quick-detach hardware, a practical detail for hunters, tactical shooters, and anyone who runs a dedicated support strap. The smooth profile design plays nice with aftermarket pistol braces and stabilizers, so if you decide to upgrade down the road, the tube won't get in your way.
Whether you're building a truck gun, a backpack PDW, or maximizing maneuverability in tight spaces, this kit removes guesswork from the buffer tube question. The tungsten buffer and quality spring combo is proven to cycle reliably across common 5.56 and pistol-caliber uppers, so you're not gambling on round count or ammunition brand sensitivity.
| Brand | Strike Industries |
| Product Type | Pistol Buffer Tube Kit (Receiver Extension) |
| Overall Length | 5+ inches |
| Material | 7075-T6 Aluminum |
| Buffer Type | Tungsten-filled |
| Spring Type | Flat-wire |
| Features | Anti-rotation tab, Integral QD socket, Smooth profile |
The kit includes the receiver extension tube itself, a tungsten-filled buffer, and a flat-wire buffer spring—everything needed for a complete installation.
The smooth profile design is compatible with aftermarket pistol braces and stabilizers. Strike Industries notes it's engineered to work with their Viper Pistol Stabilizer and other popular braces, so check your brace's specs if you have a specific model in mind.
7075-T6 aluminum is stronger and more durable than standard 6061, which means the tube resists wear better over extended use and can handle the stresses of regular shooting and carry.
Yes. The integral QD socket at the rear of the tube accepts standard quick-detach sling attachments, making it easy to add a support strap for carry and operation.
