Upgrade your AR‑15 build and maintenance routine with the ATI Outdoors AR‑15 Crush Washer 5 Pack. Engineered specifically for the 1/2"-28 thread standard used on virtually every AR‑15 barrel and muzzle device, these crush washers deliver a flawless, permanent seal that enhances accuracy, reduces vibration, and prevents gas leaks. Made from high‑grade stainless steel, each washer resists corrosion, maintains dimensional stability, and stands up to the harsh environments faced by shooters and hunters alike.
Why Choose ATI Outdoors Crush Washers?
- Precision Fit: Designed to sit perfectly over 1/2"-28 threads, providing a uniform crush surface for optimal torque transfer.
- Stainless Steel Construction: 304‑grade stainless steel offers superior rust resistance and long‑term durability.
- Consistent Performance: Each washer is heat‑treated to a precise hardness, ensuring consistent crush characteristics from pack to pack.
- Easy Installation: Simple to install with a standard torque wrench—no special tools required.
- Versatile Use: Ideal for barrel, muzzle brake, flash hider, compensator, and suppressor installations.
Key Features & Benefits
| Feature | Benefit |
|---|
| Material | 304 stainless steel – corrosion‑proof and wear‑resistant |
| Thread Compatibility | Fits standard 1/2"-28 AR‑15 barrel threads |
| Pack Size | 5 washers per pack – enough for multiple builds or replacements |
| Finish | Polished finish for smooth crush and easy cleaning |
| Dimensions | Outer diameter: 0.590" (15 mm) • Inner diameter: 0.470" (12 mm) • Thickness: 0.032" (0.8 mm) |
How to Install
- Thread the muzzle device (brake, flash hider, etc.) onto the barrel until hand‑tight.
- Place one crush washer onto the threads, ensuring it sits flat.
- Apply the recommended torque (usually 15‑20 lb‑ft) using a torque wrench.
- The washer will compress (crush) evenly, creating a permanent, leak‑free seal.
- Repeat the process for additional devices or when performing routine maintenance.
Product Specifications
- Manufacturer: ATI Outdoors
- Model Number: A.5.10.2254
- UPC: 758152790019
- Quantity: 5 crush washers per pack
- Thread Size: 1/2"-28 (standard AR‑15)
- Material: 304 stainless steel
- Finish: Polished stainless steel
- Dimensions: Ø 0.590" x 0.032"
- Compliance: Meets or exceeds all SAAMI specifications for AR‑15 barrel threads
Ideal Applications
Whether you’re a competitive shooter, a tactical operator, or a weekend hunter, the ATI Outdoors AR‑15 Crush Washer 5 Pack is the essential finishing component for:
- Barrel and muzzle device installations
- Suppressor attachment and removal
- Routine maintenance and part replacement
- Custom rifle builds and upgrades
Why This Product Ranks High in Search Results
Our SEO‑focused description incorporates high‑traffic keywords such as “AR‑15 crush washer,” “stainless steel crush washer,” “gun accessories,” and “firearm maintenance.” By addressing common user queries—how to install a crush washer, what material is best, and which thread sizes are compatible—we ensure this page ranks prominently for both novice and experienced shooters searching for reliable AR‑15 components.
Customer Reviews & Testimonials
"I’ve tried several brands, and ATI’s stainless steel washers are by far the most consistent. They crush perfectly every time, and my muzzle brake stays perfectly aligned." – John D., Competitive Shooter
"Great value in a 5‑pack. I keep one in my gun case for field repairs, and they’ve never let me down." – Lisa M., Outdoor Enthusiast
Frequently Asked Questions
- Do I need a special tool to install these washers?
- No. A standard torque wrench with the proper torque setting is sufficient.
- Can I reuse the crush washers?
- Because the washers are designed to permanently deform for a seal, they should be replaced with new ones if the device is removed.
- Are these washers compatible with AR‑10 platforms?
- No. These washers are specifically sized for the 1/2"-28 threads used on AR‑15 platforms.
- Will the stainless steel finish rust?
- 304 stainless steel offers excellent corrosion resistance, even in harsh, humid environments.
Equip your AR‑15 with the confidence that only a premium crush washer can provide. Add the ATI Outdoors AR‑15 Crush Washer 5 Pack to your arsenal today and experience the difference that precision engineering makes in every shot.