FTE 217 Test Questions with Correct Answers Latest Update 2025-2026
The reason there are few "forge shops" that handle the AR market is because: - Answers other "forge
shops" found that the AR work was a marginal part of their business and their time and resources were
better spent elsewhere.
The 5.56 NATO chamber has a longer ______ than a .223 Remington chamber to allow for the increased
pressures in the 5.56 NATO cartridge. - Answers throat
The problem with the AR (AR-15, AR-10, and AR9) platform is that all of the components, no matter how
small they are, are purpose-built and you cannot source them from anywhere else, other than from an
authorized dealer. - Answers false
"MIL-SPEC", which is short for "military specification", is the lowest allowable standard for something to
be accepted into the military. - Answers true
The projectile of the .22LR cartridge fits a barrel with a nominal _________________-inch diameter
bore, while the .223/5.56 is designed for a bore with the nominal diameter of .224. - Answers .221
The bolt catch: - Answers holds the bolt in the open position.
Excessive _______ within the casing/chamber can dislodge primers. - Answers pressure
In the AR9, or in ARs that have been converted to chamber the 9mm and .22LR cartridges, the gas
system required for the AR-15 is no longer needed, however, other adjustments to certain components
will need to be made. - Answers true
The problem with the AR platform, as it relates to gunsmithing, is that few manufacturers still make the
small components used in its construction. This would include items like the forward assist, dust cover,
and trigger. This creates a powerful bottleneck, especially when supply issues occur, as seen during the
COVID-19 pandemic. - Answers false
The flange on the firing pin of a semi-automatic only firing pin measures at: - Answers .330
The cons of a piston-driven AR system might include the following (select all that apply): - Answers
Increased weight
True or False: The piston system in the standard AR platform is becoming less popular due to its
increased complexity in components. - Answers false
When installing the pistol ______ screw, it can be easy to cross-thread it if it's not properly guided into
the threads. - Answers grip
A piston-driven AR does not get hot. - Answers false
Generally, the selector is installed in the lower receiver prior to the trigger. - Answers false
, If you have to put body weight into torquing the barrel nut on an AR-style firearm, you have likely
exceeded the _______ ft. lbs. limit - Answers 80
True or False: The timing of components within a firearm is critically affected by the tolerance or space
between the components. - Answers true
According to the reading material this week (i.e. gas port location and not ATF regulation), rifle length
barrels are ______ inches long. - Answers 20
What are the eight steps in the cycle of operations? - Answers Feeding, chambering, locking, firing,
unlocking, extracting, ejecting, cocking
What type of energy is utilized in a straight blowback design to move the bolt to the rear? - Answers
Recoil energy
What is the term used in gunsmithing to describe a measurement that is within the ten-thousandths
place value? - Answers Zero tolerance
Which of the following statements is true about the impact of tight tolerances on firearms? - Answers
Tight tolerances can make a firearm more accurate.
Click on the hammer spring. - Answers
What is the range for a dimension of .3255" +/- .0005" in gunsmithing? - Answers .325 in. to .326 in.
Click on the pivot pin. - Answers
What is the decimal equivalent of the fraction 1/16? - Answers .0625 in.
Click on the disconnector. - Answers
According to this week's lecture material, what is the thickness of a strand of fur on a German
shorthaired pointer in thousandths of an inch? - Answers .001 in.
Click on the magazine release button. - Answers
What is the slang term often used by gunsmiths when referring to the measurement of "thousandths of
an inch?" - Answers Thou
To keep an AR running properly, a heavier gun grease will be needed. - Answers False
Although Colt was the first main manufacturer of the AR-15/M-16 platform, at least in large quantities,
the company was not all that interested in selling them to the civilian market. For this reason, some
companies that contracted to Colt in the production of some parts filled that demand. - Answers true
If you need to scrape carbon buildup off of your AR components, you are not cleaning your firearm
enough. - Answers false
The reason there are few "forge shops" that handle the AR market is because: - Answers other "forge
shops" found that the AR work was a marginal part of their business and their time and resources were
better spent elsewhere.
The 5.56 NATO chamber has a longer ______ than a .223 Remington chamber to allow for the increased
pressures in the 5.56 NATO cartridge. - Answers throat
The problem with the AR (AR-15, AR-10, and AR9) platform is that all of the components, no matter how
small they are, are purpose-built and you cannot source them from anywhere else, other than from an
authorized dealer. - Answers false
"MIL-SPEC", which is short for "military specification", is the lowest allowable standard for something to
be accepted into the military. - Answers true
The projectile of the .22LR cartridge fits a barrel with a nominal _________________-inch diameter
bore, while the .223/5.56 is designed for a bore with the nominal diameter of .224. - Answers .221
The bolt catch: - Answers holds the bolt in the open position.
Excessive _______ within the casing/chamber can dislodge primers. - Answers pressure
In the AR9, or in ARs that have been converted to chamber the 9mm and .22LR cartridges, the gas
system required for the AR-15 is no longer needed, however, other adjustments to certain components
will need to be made. - Answers true
The problem with the AR platform, as it relates to gunsmithing, is that few manufacturers still make the
small components used in its construction. This would include items like the forward assist, dust cover,
and trigger. This creates a powerful bottleneck, especially when supply issues occur, as seen during the
COVID-19 pandemic. - Answers false
The flange on the firing pin of a semi-automatic only firing pin measures at: - Answers .330
The cons of a piston-driven AR system might include the following (select all that apply): - Answers
Increased weight
True or False: The piston system in the standard AR platform is becoming less popular due to its
increased complexity in components. - Answers false
When installing the pistol ______ screw, it can be easy to cross-thread it if it's not properly guided into
the threads. - Answers grip
A piston-driven AR does not get hot. - Answers false
Generally, the selector is installed in the lower receiver prior to the trigger. - Answers false
, If you have to put body weight into torquing the barrel nut on an AR-style firearm, you have likely
exceeded the _______ ft. lbs. limit - Answers 80
True or False: The timing of components within a firearm is critically affected by the tolerance or space
between the components. - Answers true
According to the reading material this week (i.e. gas port location and not ATF regulation), rifle length
barrels are ______ inches long. - Answers 20
What are the eight steps in the cycle of operations? - Answers Feeding, chambering, locking, firing,
unlocking, extracting, ejecting, cocking
What type of energy is utilized in a straight blowback design to move the bolt to the rear? - Answers
Recoil energy
What is the term used in gunsmithing to describe a measurement that is within the ten-thousandths
place value? - Answers Zero tolerance
Which of the following statements is true about the impact of tight tolerances on firearms? - Answers
Tight tolerances can make a firearm more accurate.
Click on the hammer spring. - Answers
What is the range for a dimension of .3255" +/- .0005" in gunsmithing? - Answers .325 in. to .326 in.
Click on the pivot pin. - Answers
What is the decimal equivalent of the fraction 1/16? - Answers .0625 in.
Click on the disconnector. - Answers
According to this week's lecture material, what is the thickness of a strand of fur on a German
shorthaired pointer in thousandths of an inch? - Answers .001 in.
Click on the magazine release button. - Answers
What is the slang term often used by gunsmiths when referring to the measurement of "thousandths of
an inch?" - Answers Thou
To keep an AR running properly, a heavier gun grease will be needed. - Answers False
Although Colt was the first main manufacturer of the AR-15/M-16 platform, at least in large quantities,
the company was not all that interested in selling them to the civilian market. For this reason, some
companies that contracted to Colt in the production of some parts filled that demand. - Answers true
If you need to scrape carbon buildup off of your AR components, you are not cleaning your firearm
enough. - Answers false
