Description
Designed for all 5/8×24 and .30-cal, AR-type muzzle brakes.
A 5/8″ crush washer is required for ensuring your AR’s muzzle brake is properly indexed and torqued to spec.
This crush washer is compatible with all .30-caliber AR barrels and works with any 5/8×24 TPI muzzle device that requires a washer for installation.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
- Caliber:
- .300 AAC Blackout
- Caliber:
- .308 Winchester
- Caliber:
- 6.5 Creedmoor
- Platform:
- AR15
- Platform:
- AR10
Frequently Asked Questions
- How fast is shipping?
- Orders ship within 3 business days to your selected Michigan FFL dealer with full tracking info.
- Where can I pick up my firearm?
- Pickups are at licensed FFL dealers in Michigan. Use terms like “gun shop near me in Michigan” or “FFL dealer in Michigan” to locate one.
- Do I need a permit or license?
- For handguns, residents must obtain a License to Purchase (unless they already hold a CPL). Long guns from FFL dealers require no additional permits—per Michigan law.
- Can I carry this concealed or openly?
- Michigan is a “shall-issue” state for concealed carry at age 21+. Open carry is allowed without a permit, except in vehicles or specified locations :contentReference[oaicite:20]{index=20}.
- Is this KAK Industry 5/8" Crush Washer - 5/8x24 right for me?
- Our KAK Industry 5/8" Crush Washer - 5/8x24 is ideal if you’re shopping for: KAK Industry 5/8" Crush Washer - 5/8x24, ar parts, AR Parts. Great options for both beginners and experienced owners.
- Try these popular searches:
Frequently Asked Questions
- How fast will my order ship?
- We ship all orders within 1-3 business days to your licensed Michigan FFL dealer. Tracking info will be emailed.
- What is your return policy?
- Non-firearm items can be returned within 14 days unused. Firearms sales are final after FFL transfer. See full return policy.
- Is the KAK Industry 5/8" Crush Washer - 5/8x24 suitable for me?
- Our KAK Industry 5/8" Crush Washer - 5/8x24 is popular among Michigan customers for personal defense and sport shooting.
