FTE 217 Mastering AR-15: Key Quiz Insights for Firearm Knowledge Questions With 100% Correct Answers.

10 / 10 points Fill in the Blank The firing pin Correct answer: protrusion gauge, used to measure the height of the firing pin in the AR-15, features a "max" height of .036" and a "min" height of .028". Results for question 2. 2 10 / 10 points Multiple Choice Of all of the parts in the AR-15 bolt carrier group (BCG), the shortest life. Bolt Carrier Gas Key Firing Pin Correct answer: Bolt Results for question 3. 3 may have the 10 / 10 points Fill in the Blank When inspecting the chamber for deformations, we are specifically looking for corrosion, Correct answer: pitting , or rough surfaces which can cause a failure to extract if these conditions are left untreated. Results for question 4. 4 10 / 10 points True or False It is advisable to do a function check every time a firearm has been cleaned or assembled. Correct answer: True False Results for question 5. 5 10 / 10 points True or False When measuring the twist rate of a barrel, if the flag that we made from tape on the shaft of the cleaning rod does not make a full rotation while passing through the bore, it is impossible to determine what the true twist rate of the barrel is. True Correct answer: False Results for question 6. 6 10 / 10 points Fill in the Blank In the typical AR9, the ejector is mounted to the lower receiver and does not need to be removed when checking headspace.