Luth-AR 3 Prong A1 Flash Hider for AR-15 – 1/2×28 Thread


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Retro 3 Prong AR-15 Flash Hider/Compensator

The A1 3-prong is a performance-enhancing accessory for your firearm that serves as a flash hider and compensator, designed to reduce recoil and muzzle rise for improved control and accuracy. It is made of high-quality steel and is compatible with A1-style rifle barrels, perfect for M16A1 retro clone builds.  This muzzle device fits 1/2×28 thread pitch common for .223/5.56 barrels.



  • Brand: Luth-AR
  • Fit: AR-15
  • Material: Steel
  • Thread Pitch: 1/2×28
  • Caliber: .223 and 5.56
  • Made in America

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Luth-AR Limited Warranty

  • Luth-AR, LLC manufactured products are warranted for 1 (one) year from the date of purchase against manufacturing defects in material and/or workmanship. All parts and labor or replacement, at our option, are covered.
  • Government fees, damage caused by failure to perform normal maintenance, sales outside the United States, damage due to high velocity, high pressure, reloaded, or other non-standard ammunition, or any unauthorized repair, modification, misuse, abuse, or alteration of the product is not covered by this limited warranty.
  • Consumable items such as gas rings, O’ rings, etc., are not warranted.
  • Luth-AR, LLC complete assembled uppers will be warranted for a period of 1 (one) year after the complete upper was purchased.
  • The warranty applies towards defects in materials or workmanship of the complete upper. Luth-AR will pay for all warranty repairs, at no charge to the consumer. Please supply a copy of the invoice for proof of purchase.
  • The use of re-load ammunition, proof rounds, or factory ammunition that exceeds initial SAAMI specifications voids any warranty. Any repairs or modifications not done by Luth-AR also voids any warranty.
  • Complete uppers not assembled or built by Luth-AR are not covered by the 1 (one) year warranty.
  • Please call our warranty department at (763) 263-0166 or email for any warranty issues.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 6 reviews
Jim Amundsen
3 Prong Flash hider

Fits excellent and looks great. Recommended for an old school look on an AR.

Paul Hokinson
Luth-AR 3 prong

Great product and awesome price, they look great on my A1s. Now if someone can start making the original duckbill thats thinner. Would definitely buy again

Thank you for your review! We're glad to hear that you are happy with the Luth-AR 3 Prong A1 Flash Hider and that it looks great on your A1s. We will definitely take your suggestion for a thinner original duckbill into consideration. Thanks for choosing our product and we hope to serve you again in the future!

Corey Vannah
It's awsome but,

I would have given 5 stars if it would have come with a tool to tighten it on to the barrel. But otherwise amazing product looks amazing on my S&W M&P15-22

Edward Pedersoli
A1 Flash Hider

This flash hider was everything I expected!! I put it on my government profile 20 inch AR15 to give it the original M16 look. It went on perfectly with out any problems and the rifle looks fantastic!! I'm very well pleased with this item and will definitely be buying from here again!!

Thank you for your review! We're glad to hear that our Luth-AR 3 Prong A1 Flash Hider exceeded your expectations and gave your AR15 the desired M16 look. It's great to know that the installation was smooth and hassle-free. We appreciate your kind words and look forward to serving you again in the future. Happy shooting!

Paul Duvall
Looks great

Shipping was fast! Installed on rifle and looks great!

Thanks for sharing your feedback! Glad to hear that you are satisfied with your purchase!