Description
A crush washer is one of those small parts you never think about until you need one, and then you really need one. This Strike Industries 10-pack solves that problem for good. Each washer is built for the AR-15 platform in .223 Remington and 5.56x45mm, slipping over your 1/2×28 barrel threads to lock down a flash hider, muzzle brake, or compensator at the right clock position. Buying them by the ten means you always have a spare on the bench instead of scrambling mid-build.
Why the Strike Industries Crush Washer Earns Its Spot
Crush washers are meant for one-time use. Every time you torque a muzzle device down, the washer compresses to take up the gap and hold the device tight and timed. Reusing an old one is asking for a loose or crooked muzzle device, so having a stack of fresh ones is the smart move for anyone who tinkers. Strike Industries builds these from steel with a proper hardness that crushes evenly, which makes indexing your muzzle device a lot less frustrating.
Matte Black Finish That Disappears Behind the Muzzle
The matte black coating is done to match the look of most common muzzle devices, so once your flash hider or brake is installed, the washer tucks in behind it and blends right in. No shiny ring standing out at the end of your barrel. It's a clean look that works whether you're finishing a fresh build or replacing a washer you already used up.
Handy for Builders and Anyone Swapping Muzzle Devices
If you build ARs, swap muzzle devices often, or just like being prepared, a 10-pack is the way to go. These are a reliable replacement for factory washers, and folks who've installed them report smooth, drama-free fitment on standard threaded barrels. Toss the extras in your parts bin and you're set for the next several projects.
Key Specifications
- Manufacturer: Strike Industries
- Manufacturer Part Number: SI-AR-CW-PRO-223
- UPC: 700371180218
- Caliber: .223 Remington / 5.56x45mm
- Platform: AR-15
- Thread Fit: 1/2×28
- Material: Steel
- Finish: Matte Black
- Color: Black
- Quantity: 10-Pack
- Use: Muzzle device timing and installation
What’s Included
- 10 Strike Industries .223/5.56 crush washers
Frequently Asked Questions
What barrels do these AR-15 crush washers fit?
These are made for the AR-15 platform chambered in .223 Remington and 5.56x45mm, fitting standard 1/2×28 threaded barrels. They sit between the barrel shoulder and your muzzle device to lock it down and hold the timing. If your barrel uses the common 1/2×28 thread pitch for a flash hider or brake, these will work.
Can I reuse a Strike Industries crush washer?
Crush washers are designed for one-time use. When you torque down a muzzle device, the washer compresses to take up the gap and hold everything tight and properly indexed. Reusing a crushed washer can leave your muzzle device loose or off-timed, which is exactly why this comes as a 10-pack so you always have a fresh one ready.
Why does the crush washer come in a pack of ten?
The 10-pack format is built for builders and anyone who swaps muzzle devices regularly. Since each washer is single-use, having a stack on hand saves you a trip to the store every time you change a flash hider or brake. Keep the extras in your parts bin and you're set for several projects.
Will the matte black finish match my muzzle device?
The matte black finish is made to blend with most common muzzle devices, so the washer tucks in behind your flash hider or brake without standing out. It won't leave a shiny ring at the end of your barrel. It gives a clean, finished look on standard AR-15 builds.




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