248088
AR15 rifles The Vortex Flash Hider made for AR15 type rifles weighs 3 ounces , is 2.25 inches in length and does not require a lock washer for attachment to the barrel of an AR15 .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None