This practice test is designed to help you prepare for a gunsmith certification exam by testing your knowledge of firearm design, function, safety, maintenance, and legal considerations.
It includes 50 multiple-choice questions.
Each question has four possible answers with only one correct option.
Good luck!
Gunsmith Certification Practice Test
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Question 1 |
What is the primary function of a headspace gauge?
Measure chamber pressure | |
Determine barrel twist | |
Check the fit of the firing pin | |
Verify correct chamber dimensions |
Question 2 |
What component controls the timing in a semi-automatic rifle?
Magazine follower | |
Buffer spring | |
Gas system | |
Muzzle brake |
Question 3 |
Which machining process is most commonly used to produce rifling in barrels?
Honing | |
Milling | |
Broaching | |
Casting |
Question 4 |
The forcing cone is found in which type of firearm?
Bolt-action rifle | |
Semi-automatic pistol | |
Revolver | |
Lever-action rifle |
Question 5 |
Which metal is most commonly used for modern firearm barrels?
Brass | |
Cast iron | |
Stainless steel | |
Copper |
Question 6 |
What is the function of a sear?
Reduces recoil | |
Secures the magazine | |
Releases the hammer or striker | |
Supports the bolt |
Question 7 |
What is the typical twist rate for a .223 Remington barrel?
1:7 | |
1:12 | |
1:9 | |
1:10 |
Question 8 |
Which part of a bolt-action rifle interfaces directly with the cartridge rim?
Gas ring | |
Extractor | |
Safety | |
Trigger |
Question 9 |
Which of the following is an example of a rimfire cartridge?
.30-06 Springfield | |
.308 Winchester | |
.22 LR | |
9mm Luger |
Question 10 |
The primary role of a gunsmith includes:
Selling firearms | |
Designing ammunition | |
Repairing and modifying firearms | |
Shooting competitions |
Question 11 |
What is the minimum number of grooves in a rifled barrel?
2 | |
4 | |
3 | |
6 |
Question 12 |
What type of firearm action uses a sliding fore-end to cycle?
Pump-action | |
Break-action | |
Lever-action | |
Bolt-action |
Question 13 |
Which material is often used for bedding a rifle action?
Lead | |
Graphite | |
Epoxy | |
Clay |
Question 14 |
Which tool is best for measuring internal bore diameter?
Caliper | |
Micrometer | |
Bore gauge | |
Depth gauge |
Question 15 |
What is the purpose of a crown on a rifle barrel?
Decorate the muzzle | |
Reduce noise | |
Protect rifling and improve accuracy | |
Secure the flash suppressor |
Question 16 |
What is the term for the distance a bullet travels in the barrel before engaging in rifling?
Freebore | |
Lead | |
Throat | |
Leade |
Question 17 |
What is the typical measurement unit for bullet diameter?
PSI | |
Inches | |
Feet | |
Milliliters |
Question 18 |
What part of a shotgun determines the spread of pellets?
Bolt | |
Barrel length | |
Choke | |
Extractor |
Question 19 |
Which agency regulates the commercial manufacture of firearms in the U.S.?
DHS | |
FBI | |
ATF | |
DOJ |
Question 20 |
The function of a recoil spring is to:
Reduce sound | |
Absorb magazine tension | |
Return the slide to a battery | |
Lock the breech |
Question 21 |
Which of the following is a centerfire rifle cartridge?
.22 Short | |
.17 HMR | |
.270 Winchester | |
.22 LR |
Question 22 |
Which action type uses a falling block to load and unload?
Pump | |
Single-shot | |
Revolver | |
Semi-auto |
Question 23 |
What is the first step in diagnosing a misfire?
Polish the chamber | |
Check the ammo | |
Replace the barrel | |
Disassemble the trigger |
Question 24 |
A Parkerized finish is:
Chrome-based | |
A type of bluing | |
A phosphate coating | |
A lacquer finish |
Question 25 |
Which gun part contains the firing pin?
Trigger | |
Sear | |
Bolt | |
Magazine |
Question 26 |
What is "timing" in a revolver?
Barrel rifling rotation | |
Cylinder indexing and lock-up synchronization | |
Bullet velocity | |
Trigger reset |
Question 27 |
What does “MOA” stand for?
Muzzle of Action | |
Minute of Accuracy | |
Minute of Angle | |
Measure of Arc |
Question 28 |
Which action type does NOT require external manual cycling?
Break-action | |
Pump-action | |
Semi-automatic | |
Bolt-action |
Question 29 |
Which of these tools is used to recrown a barrel?
Tap and die | |
Lathe | |
Bench grinder | |
Bevel cutter |
Question 30 |
Which material is best for rust prevention on gunmetal?
Water | |
Gun oil | |
Isopropyl alcohol | |
Baking soda |
Question 31 |
What is the most likely cause of light primer strikes?
Dirty muzzle | |
Worn firing pin spring | |
Over-oiled stock | |
Tight headspace |
Question 32 |
What is the primary function of a flash suppressor?
Reduce noise | |
Improve accuracy | |
Conceal muzzle flash | |
Reduce recoil |
Question 33 |
Which of these firearm finishes offers high corrosion resistance?
Bluing | |
Parkerizing | |
Cerakote | |
Oil finish |
Question 34 |
What is the purpose of a feed ramp?
Hold the cartridge | |
Align bullet with rifling | |
Guide round into the chamber | |
Protect extractor |
Question 35 |
What is an acceptable method of removing light surface rust?
Steel brush | |
Sandpaper | |
Brass wool and oil | |
Bleach |
Question 36 |
What is “headspace” in a firearm?
Distance from muzzle to crown | |
Space behind magazine | |
Distance between the bolt face and chamber shoulder | |
Area behind the sights |
Question 37 |
What part ensures the firearm fires only when the trigger is pulled?
Extractor | |
Recoil spring | |
Disconnector | |
Slide |
Question 38 |
Which of the following gunsmith tasks requires an FFL (Federal Firearms License)?
Scope mounting | |
Trigger polishing | |
Re-bluing a receiver | |
Manufacturing a receiver |
Question 39 |
What tool is used for installing sights?
Caliper | |
Punch set | |
Torque wrench | |
Lathe |
Question 40 |
Which chemical is often used in cold bluing?
Ferric chloride | |
Sulfuric acid | |
Selenious acid | |
Ammonium nitrate |
Question 41 |
What is the safe direction in firearm safety?
Toward the ground | |
Toward the sky | |
Away from people and valuables | |
Toward the target |
Question 42 |
What is a common cause of a stovepipe malfunction?
Dirty barrel | |
Weak extractor | |
Low slide velocity | |
Loose trigger |
Question 43 |
Which type of steel is often used for firearm springs?
4140 | |
1045 | |
1095 | |
5160 |
Question 44 |
What is the best way to clean a gun barrel?
Steel wool | |
Patching with solvent | |
Soaking in water | |
Rubbing compound |
Question 45 |
What is the common term for bolt face wear causing misfeeds?
Blowback | |
Peening | |
Gas lock | |
Drag |
Question 46 |
A gunsmith drill press must have:
Adjustable laser | |
Table vise | |
Variable speed | |
Torque control |
Question 47 |
A broken extractor will cause:
Overpressure | |
Failure to extract | |
Magazine drop | |
Light primer strike |
Question 48 |
In reloading, case trimming is necessary to:
Lighten the load | |
Prevent overpressure | |
Fit magazine | |
Ensure chambering |
Question 49 |
What is the term for a shotgun’s internal constriction at the muzzle?
Forcing cone | |
Bore diameter | |
Choke | |
Breech |
Question 50 |
Which tool measures trigger pull weight?
Torque wrench | |
Spring gauge | |
Dial indicator | |
Trigger scale |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 50 questions to complete.
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