Description
The Buy Barrel Length is a precision-machined barrel extension designed for builders and enthusiasts. Manufactured from 4140 chromoly steel and finished with a durable black nitride coating, it offers a robust and reliable solution for specific build requirements. This component is engineered for direct thread compatibility with popular AR-15 upper receivers, providing a straightforward installation for custom configurations.
Key Features
- Precision CNC-machined from 4140 chromoly steel billet
- Black nitride finish for superior corrosion resistance and durability
- Designed for direct-thread attachment to standard AR-15 uppers
- Maintains proper headspacing for reliable function
- Ideal for creating dedicated rimfire or pistol-caliber carbine uppers
Specifications
| Caliber / Type | Barrel Extension |
|---|---|
| Material | 4140 Chromoly Steel |
| Finish | Black Nitride |
| Compatibility | Standard AR-15 Upper Receivers |
| Weight | 2.8 oz |
This barrel extension is machined to SAAMI-spec chamber dimensions, ensuring correct cartridge headspace which is critical for safety and reliability. The 4140 steel provides the necessary tensile strength for high-pressure cartridges, while the nitride finish hardens the surface to reduce wear. It’s a fundamental component for builders converting an upper to a non-standard caliber like .22 LR or 9mm.
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