What size are the barrel threads?
The .308 cal. / 7.62X51mm and 6.8 cal. Threads are 5/8-24
The .223 cal. / 5.56X45mm threads are 1/2-28

Why doesn’t POF offer chrome lined barrels?
All of our barrels are Case Harden Nitrate Heat Treated to 70 RC.
The steel case is softer then our chambers. Our case harden barrels shoot consistently better groups on all of our weapon systems then chrome lined barrels. Our barrels are easier to clean and don’t copper foul like chrome lined barrels. Our case hardened nitrate heat treated barrels are 10x’s thicker in the hardness area of the barrel (case hardness .005” thk., chrome lined .0005” thk.).
Chrome lining can delaminate (peel away from barrel surface) from heat, and the chrome lining doesn’t plate evenly on the entire surface of the bore and grooves. |

Can I shoot .308 Winchester and 7.62 x 51 mm NATO ammunition with my P308?
Yes. Our barrel chambers are reamed to size using a NATO reamer, which allows the use of both .308 Winchester and 7.62 x 51mm NATO ammunition.

Can I shoot .223 Remington and 5.56 x 45mm NATO ammunition with my P415 / P416?
Yes. Our barrel chambers are reamed to size using a NATO reamer, which allows the use of both .223 Remington and 5.56 x 45mm NATO ammunition.

Can I shoot steel cased ammunition like Wolf, in my POF rifles?
Yes, in fact POF does a lot of testing with WOLF ammo. There are no issues using steel cased ammo in our weapons, however, it is important to remember to thoroughly clean the throat area of the chamber after a session with Wolf or other steel cased ammo.

What is the normal use barrel life of the POF barrels?
You can expect to get at least 20,000 plus rounds out of our Nitrate heat treated case hardened barrels. All of our barrels are over 2x’s harder then mil spec and hammer forged barrels. We know of a few weapons that have 40,000 plus rounds through them, and still no need to replace the barrel.

  What is the recommended break in procedure for my POF barrels?
There is no break-in required. When you first get your weapon clean the barrel properly using proper cleaning equipment prior to shooting. After shooting properly clean the barrel using proper cleaning equipment. The barrels are Case Hardened Nitrate Heat Treated to 70 RC. All of our barrels are over 2x’s harder then stainless steel, Mil-Spec and Hammer Forged Barrels, and 10x’s more corrosion resistant.

I am an individual and would like to purchase a complete rifle and/or a Lower receiver. Can I purchase these items    directly from POF-USA?
No. You must go through a local Federal Firearms Licensed dealer and make arrangements to purchase a complete rifle or lower receiver. Your dealer must fax a copy of their FFL license to us.

My company is an FFL dealer and would like to carry your products in our store.  How can my company become a
POF-USA dealer?
Click here to find out about our dealer program.

Do you give discounts to U.S. Military and Law Enforcement personnel?
Yes. You will need to fax a copy of your military or law enforcement I.D. card to 623-621-1680. This only applies to Upper
receiver and other parts/accessories available. We cannot give you discount on a complete rifle or lower receivers purchases.
You will need to go through your local FFL dealer in order to purchase this item. Any discount given is between you and the FFL dealer.

Do you sell Lower receivers to California residents or FFL Dealers?
We do not sell directly to California residents but only California FFL dealers.

Should I oil the op-rod, gas plug and gas piston parts on my POF-USA rifle?
No. Heat is dissipated on these parts and should refrain from using oil.

What are the difference between Gas Impingement vs. Gas Piston?
Most of the malfunction issues associated with M4 current design can be attributed to the use of the gas impingement system:
* Failure to fire due to overheating under sustained fire
* Malfunction as a result of debris sticking to lubricant in the bolt carrier or upper receiver
The Gas Piston Operating System used in all POF-USA rifles prevents hot gases and carbon fouling from entering the upper receiver and making contact with the moving, integral parts of our weapon system.