This kept the gun durable and improved its accuracy remarkably. The Browning BAR has tighter tolerances in certain parts of the action and looser tolerances in other to prevent and reduce the chances of jamming. Over the years the BARs took advantage of certain innovations like the B.O.S.S. The civilian BARs (mkI and later the mkII) were developed and sold to a hungry public. Over the years and long after John Moses Browning had passed on, the Browning company re-visited the hunting needs of sportsmen and women and saw that semi automatic rifles at that time had two problematic areas:ġ.) They were not accurate over long ranges (100 yards and greater)Ģ.) They jammed when cold, dirty, and certain types of ammoīrowning held the patent on the BAR, so they developed a civilian friendly hunting rifle that was durable, reliable, and accurate. The BAR delivered that when it hit the frontline. The BAR was developed to be a light machine gun to combat trench warfare. So the rifle needed to be durable, relatively accurate, but most importantly the rifle needed to be able to consistently lay down firepower downrange whenever the troops came out of the trenches. When John Moses Browning developed the Browning Automatic Rifle (BAR) for the military, he knew that his action needed to withstand dirt, debris, varied weather conditions, and irregular cleanings. Semi automatic, pump/slide, and lever action rifles had/ have more moving parts than a bolt action or single shot rifles, and the tolerances between the single shot and bolt actions were typically much tighter than those found in other action types. In the past, typical bolt action rifles were more accurate than any other action out there (excluding certain single shot rifles). Also, semi-autos have more metal to metal tolerance than bolt actions to improve reliability. The movement of the action is inherent of the semi-auto ejection process. This movement during the ejection process is believed to affect accuracy. The semi-autos are timed so the locking lugs stay locked long enough for the bullet to exit the barrel before they unlock and begin the ejection process. The bolt action remains closed and the locking lugs stay locked during the shot. This is the way I understand th accuracy differences, please correct me if I'm wrong. I have never personally experienced or spoken to anyone who has had accuracy problems with the BAR. 308 he got for Christmas last year and it shoots sub MOA at 100 yards. His is a Belgian model, manufactured in the seventies. My buddy has one in 7MM Mag and it shoots sub MOA at the same distance. I've shot deer with it out to about 280 yards. 30-06 shoots sub MOA at 100 yards with factory Remington ammo loaded with Nosler Ballistic Tips. The barrel has been cleaned, and the crown of the barrel is not damaged.FWIW my BAR in. I then tried some 130 grain handloads with 54 grains of 4350 powder and that got worse with a 4.5†group It is not my shooting as I have let many other people shoot and gotten the same results. I tried 145 grain Hornady precision hunter this year and couldn’t get better than a 3 inch grouping. I then accidentally bought the Light Recoil Hornadys, and surprisingly they put out a 1.5-2†group, I actually ended up using these rounds during last deerseason, and killed a deer, but was extremely unhappy with the penetration as it didn’t even pass through the deer. Figuring it didn’t like the rounds, I went to 130 grain Hornady superformance, this helped significantly and I got the grouping down to about 2.5-3â€. It’s a beautiful gun, and only had maybe a box of bullets run though I put on a new leupold scope and went to the range with a box of 150 grain Remington Cor-Lokt, and it absolutely hated them, throwing ~6†group. Recently inherited a 1971 Belgium made Browning BAR in.
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