Personally, I would not risk damage to any autopistol I own by shooting a box of 65 year old cheap surplus ammunition. These values represent averages of 20 firings. Thus, four variations of stored components were obtained with each lot.Ĭhamber pressures yielded by ammunition incorporating these four variations were as follows. in the upper portions of the F N head stamp having been removed. The propellants were then interchanged, the bullets re-inserted, and the cases recrimped. raised head stamp SB in rectangular impression 10.00 11771 9mm pin fire. The bullets were then removed from half the cartridges of each lot and from an equal number of each lot previously stored at 70F. To determine the effect of accelerated isothermal storage upon propellant and primer performance, sixty cartridges from each of lots E (WC 846) and G (R 1475) were removed from 150F storage after 26 and 42 weeks, respectively. Effects of Accelerated Storage Propellant and Primer Performance FN 509 Compact Tactical 9mm Pistol With Threaded Barrel, Black - 66-100782 Rating: (1) 1,393.99 929.00 Add to Cart FN 509 Tactical 9mm Pistol 4.5' Threaded Barrel, Black - 66-100375 Rating: (3) 1,356.59 968.99 Add to Cart FN 509C 9mm Pistol 3. INVESTIGATION OF THE BALLISTIC AND CHEMICAL STABILITY OF 7.62MM AMMUNITION LOADED WITH BALL AND IMR PROPELLANTģ. As this test shows, combustion pressures will rise after aging. Heat accelerates the deterioration of gunpowder, so for accelerated propellant tests, they heat the gunpowder. It is unsafe to store and unsafe to shoot. This is something that is very well known which is why militaries discard old ammunition. Given that a reasonable lifetime for single based powders is 45 years and double based is 20 years, your ammunition is very old. The pressure goes up as the gunpowder deteriorates. FN HIGH POWER 9MM BROWNING PATENT NAZI STAMP For Sale from: Sportsmens Supply Positive feedback: 100 View Verified Seller 33 Completed Sales View Sellers Items SOLD - 1,500.00 Shipping: 30. There is plenty of risk firing old ammunition.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |