JE Machine Tech 7.62/.308 Crush Washer – Black (PS‑CW3B)

Engineered by the renowned JE Machine Tech, the 7.62/.308 Crush Washer – Black (PS‑CW3B) delivers the perfect blend of strength, precision, and corrosion resistance for rifles chambered in 7.62×51mm NATO and .308 Winchester. This high‑quality crush washer is specifically designed to ensure a secure, consistent headspace and to protect your firearm’s barrel and action from excessive wear.
Key Benefits
- Maximum Durability: Constructed from hardened steel and coated with a matte black finish to resist rust, wear, and harsh environmental conditions.
- Consistent Headspace: Provides a reliable crush fit that maintains optimal barrel alignment for accurate shot placement.
- Easy Installation: Fits standard 7.62/.308 bolt faces without modification—perfect for both factory‑built and custom rifles.
- Reduced Barrel Wear: Acts as a protective barrier between the bolt and barrel, extending the life of your firearm.
- Enhanced Aesthetic: The sleek black coating adds a professional, tactical look to any rifle platform.
Compatibility
This crush washer is calibrated for the following cartridges and rifle platforms:
- 7.62×51mm NATO
- .308 Winchester
- Most AR‑10, SR‑25, and similar long‑range precision rifles
- Custom builds that utilize a standard 7.62/.308 bolt face
Why Choose JE Machine Tech?
JE Machine Tech has built a reputation for delivering top‑tier firearm components that meet the demands of competitive shooters, tactical professionals, and avid hunters alike. Their commitment to quality control, material selection, and rigorous testing ensures that each crush washer performs flawlessly under high‑stress conditions.
Installation & Maintenance Tips
Proper installation is essential for achieving the full benefits of the crush washer:
- Remove the bolt and ensure the barrel threads are clean and free of debris.
- Place the crush washer on the barrel’s shoulder, aligning the flat surface with the bolt face.
- Re‑install the bolt and tighten to the manufacturer’s recommended torque specification (typically 10–12 ft‑lb for AR‑10 platforms).
- After the first few firing cycles, re‑check torque and visual alignment to confirm proper crush.
For long‑term maintenance, periodically inspect the washer for signs of excessive wear or deformation. Replace the washer if any cracks or deep scratches are observed.
Technical Specifications
| Item | Specification |
|---|
| Part Number | PS‑CW3B |
| UPC | 811577031195 |
| Material | Hardened steel with black phosphate coating |
| Finish | Matte black, corrosion‑resistant |
| Diameter | 0.500 in (12.7 mm) – standard 7.62/.308 bolt face |
| Thickness | 0.020 in (0.51 mm) |
| Quantity | 1 EA |
| Applicable Calibers | 7.62×51 mm NATO, .308 Winchester |
| Compliance | Meets NATO and SAAMI tolerances for crush washers |
SEO‑Optimized Product Summary
The JE Machine Tech 7.62/.308 Crush Washer Black (PS‑CW3B) is the ultimate solution for shooters seeking a dependable, long‑lasting component that guarantees precise headspace and protects critical barrel surfaces. Ideal for both tactical rifles and precision long‑range builds, this crush washer delivers unmatched durability and performance, making it a must‑have upgrade for any serious firearm enthusiast. Search for “black crush washer 7.62”, “JE Machine Tech crush washer”, or “PS‑CW3B” to find this high‑quality part instantly.
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