FTE 217 2026/2027 Exam
Questions and Answers |
Already Graded A+
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. - ANSWER ✔✔True
The flange on the firing pin of a semi-automatic only firing pin measures
at: - ANSWER ✔✔.330"
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. - ANSWER
✔✔.221
"MIL-SPEC", which is short for "military specification", is the lowest
allowable standard for something to be accepted into the military. -
ANSWER ✔✔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. - ANSWER
✔✔False
The reason there are few "forge shops" that handle the AR market is
because: - ANSWER ✔✔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. - ANSWER ✔✔throat
, 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. - ANSWER ✔✔true
In general, the M4 differs from the M16 in that the M4 has: -
ANSWER ✔✔A shorter barrel.
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. - ANSWER ✔✔False
Generally, the selector is installed in the lower receiver prior to the
trigger. - ANSWER ✔✔False
According to the reading material this week (i.e. gas port location and
not ATF regulation), rifle length barrels are
inches long. - ANSWER ✔✔20
When installing the pistol
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
Questions and Answers |
Already Graded A+
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. - ANSWER ✔✔True
The flange on the firing pin of a semi-automatic only firing pin measures
at: - ANSWER ✔✔.330"
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. - ANSWER
✔✔.221
"MIL-SPEC", which is short for "military specification", is the lowest
allowable standard for something to be accepted into the military. -
ANSWER ✔✔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. - ANSWER
✔✔False
The reason there are few "forge shops" that handle the AR market is
because: - ANSWER ✔✔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. - ANSWER ✔✔throat
, 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. - ANSWER ✔✔true
In general, the M4 differs from the M16 in that the M4 has: -
ANSWER ✔✔A shorter barrel.
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. - ANSWER ✔✔False
Generally, the selector is installed in the lower receiver prior to the
trigger. - ANSWER ✔✔False
According to the reading material this week (i.e. gas port location and
not ATF regulation), rifle length barrels are
inches long. - ANSWER ✔✔20
When installing the pistol
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
