It still tips the scales at 63 ounces. I googled this and found some differences of opinions, I trust the general consensus on this board more than a post from 2011 on a gun site I ⦠I think my next 300 Winchester Magnum will be at least 22 or 23 inches. Going from a 20" barrel to a 26" barrel will probably gain around 120 extra fps or so. This article is good, my smith sent me the link. The 18-inch barrel allowed me to attach the suppressor but retain a similar overall length as a 24 to 26-inch barrel without a can. I don't remember putting my hands on a long barrel lr-308 or comparable gun to know how much is out there to swing. Comparing the ballistics of Federalâs 175-grain .308 Winchester Gold Medal Match to Hornadyâs 140-grain 6.5 Creedmoor A-MAX shows that the Creedmoor has 25-percent less wind drift at all ranges and close to 20-percent less drop at 1,000 yards. 24 to 26 inches with get you out past 800 still holding enough power too ⦠... #3 I've seen a 16" .308 brake plates at 1000 yards, Remington do some models straight from the factory at 20" so it won't make a blind bit of difference. After 8-900 yards, the 308 rifle loses out to ⦠We ran the 147, 150 and 168 grain loads for 28â³, 24â³, 20â³ and 16.5â³ barrel lengths out to 1,000 yards (optimistic distances for the 147 and 150 grain loads). This is the go-to option for reaching out to 1,000 yards ⦠On the other hand, an 18+ lb rifle (about what a decked-out M40A3 weighs) isn't what I'd choose to carry in the field either. In this chart I lowered the velocity to compensate for a 20 inch barrel instead of the 24 inch barrel listed: One is a 24 inch and the other is 25 inch barrel. These are useful all-around barrel ⦠Ballistics: can you get a 155gr. I don't want another short range gun, I have enough of those already. Depending on barrel length and bullet weight being shot. The critical velocity of 2,500 ft/sec was in a barrel between 9 and 10 inches in length, which further shows the folly of considering a 7-inch barrel for this cartridge." Shorter barrel you lose velocity. remington sps tacical 308 at 1375 yards,Trying to see how far we can shoot a 20 inch rifle with a handload. There is a sweet spot barrel length for loads, you donât need a 35 inch barrel for a 6 mm round but you need more than 18 inches to shoot 1000 yards with a 6.5×284. This article seems more believable because the author admits he does not understand it all â which is a good sign of honesty. I have 2 308s. love the adjustable trigger. A mid length barrel, say 22 inches, offers better external ballistics, terminal ballistics, less muzzle flip and a reduced blast. Barrel length does not affect accuracy but it affects velocity. The study above looked only out to 500 yards, probably for that reason. The carbine and the rifle have a chance to be equal, but only at limited distances. Zeroing went quickly, requiring only a few clicks of elevation and windage from the .308 barrel that came off. The 168 grain .308 is not the ideal 1,000-yard cartridge, but with a consistent load and accurate gun, itâs completely doable. With a 100-yard zero, the .308 drops 389 inches at 1,000 yards and drifts 100 inches in a full-value 10 mph wind. The length of the barrel overall with muzzle break is 20 1/2 inches and it is indeed a tack driver out to 1000 yards. To help a little with this weight the barrel is fluted. 2.5lbs is my sweet spot. Shooting my GAP Gladius rifle with 18" Bartlein Barrel to 1000 yards. 18-20 is said too be the minimum short barrel for .308 for out too 500-600 yards. Nothing I have shot with it went more than 40 yards, most dropped where they were standing. There are conflicting articles regarding 308 barrel length and velocity. I look forward to experimenting with another built perhaps this time using an 18 inch barrel. I only shoot them out to 500 yards so that's all I need for barrel length. This barrel is designed to be as accurate as possible. The 308 was designed in 1952 for a semi-automatic military rifle, while the 6.5 Creedmoor was designed in 2007 for better long range target performance in a bolt action rifle. The 175 and 180s will just make it. Velocity is somewhat less, but much less than most people think. .308 needs a minimun of 16 inches too get a good burn and still leaves a lot of power wasted, hence the huge muzzle flash. So the lesson here is barrel length, muzzle velocity, rifle twist, weight of the bullet. Today (2011), the Oryx loading at 2953fps (26â barrel) is the sole surviving .308 Norma factory load. To me, the concept of a 12.5" do-everything gun is kind of neat, as the bullet is still supersonic at 800 yards, and still above the 800 ft-lb lethal threshold at 400 yards (~ 1000 ft-lb at 300 yards, if you like that number better). i use a 20 moa base to get the needed elevation of around 38 moa on the 20" barrel. It's some analysis of 27" through 21" barrels for a mix of calibers. .308 isn't materially different as far as I understand: Barrel Length 300 win Mag - Page 3 - LongRangeHunting Online Magazine Now, I think the drop-off down to 13" would be significant. For the guys who want to shoot at 1000 yards they need every tiny bit of extra performance they can get. 24" in my opinion. Lapua Scenar) drops 311 inches and drifts 75 inches. My go to hunting rifle for the last 15 years is a NULA in 308 with a 20" barrel. 1000-yard rifles are rarely shot free-recoil, unlike point-blank Benchrest (100-200 yards), where free-recoil technique (touch only the trigger and/or trigger guard, ⦠With a 308 a carbine goes transonic around 500 yards. When they switched to the 175 grn bullets with a 1 in 10 twist the bullets remained supersonic at the 1000 yard range. However, if you are shooting long range targets, you are likely in a prone position, and this isnât a big deal. 308 Winchester Barrel Length and Velocity: Winchester Super X 180 grain Power-Point. The US Army preaches an 800 meter maximum effective range for the .308, the USMC preaches a 1000 yard (915 meter) max effective range. My first 1000 yd rifle, with glass and add ons at $850 total. By contrast, under the same conditions, the .260 Remington (loaded with a 139-gr. If barrel length did not matter then a 2.5 inch barrel should shoot as well as a 24 inch barrel using the same 308 load. My Remington 700 is in 308 and I can ring steel all day long at 1000 yards. R. Roncon1 Well-Known Member. Once we got the hang of shooting the 800-yard target from the bench, we decided to stretch things all the way out to 1,000 yards. I'm a hunter and target shooter. Probably less. Shooting Elk at a 1000 yards, 308 would not be my choice, but 500 and under and most 300 and under, no problem. Take a .300 Winchester Magnum with a barrel life of 1,500 rounds and compare that to the 8,000+ barrel life of a .308 Winchester. How did barrel length change exterior ballistics? I would go with the minimum needed for carrying/mobility purposes. Ritch, would it make a hill of beans difference at 800-1000 yards. This load at 1,000 yards drops 480.2 inches (five feet less than the .223 above). The Smith & Wesson M&P 10 at 1,000 Yards. While we have made hits at 1000+ meters with the .308, we tend to agree with the Army and indicate that 800 meters is about the max limit for RELIABLE hits in all but extreme weather conditions. My CZ-550 in .308 is rated to be accurate 1000 yards, and the barrel length is almost 24". At 300 yards it is not a problem. .308 out to 1000 yds with a 20 inch barrel? An 18-1/2" barreled .308 isn't what I'd choose to shoot 1000 yards with. Now, the military battles with M4s that have 22 and 24 inch barrels, but shoots a smaller round. Range was out to 1000 yards. I've read that .308 is good for 1,000 yards but that seems to be with an ideal barrel length. Before my rifle was custom built it had a 20in factory barrel and I consistently hit a 12in x 12in steel target at a 1000 yards. He concludes with - It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. With the rifle set up, it was time to go to the range. Hereâs Youtuber GLgunsandgear doing some shooting from 1000 yards pitting the 6.5 Creedmoor against the .308. I reload 308 Win using 155 gr Palma SMK bullets, H335 powder, lapua or norma brass, and use standard 2.800 OAL. Some Night Force scopes don't have enough elevation to achieve the 37 MOA needed to reach a 1000 yds. with 18â³ barrel, 6.5 Creedmoor with 20â³ barrel, .280 Ackley Improved with 22â³ barrel, 6.5 Creedmoor with 24â³ barrel, and a 28 Nosler with 26â³ barrel. Savage 10 in .308 ($550) is a good start. 07-25-2009, 05:50 AM #9 If you want a 30 inch barrel ⦠All of these rifles have appropriate length barrels for their respective cartridges for the intended application. With 200 and 210s you need to achieve 2600fps to stay super sonic at 1000 yds. From left to right: .308 Win. In the longer barrels, the maximum velocity of 2,979 ft/sec was in the 20-inch barrel with a velocity of approximately 2,700 ft/sec in the 14.5-inch barrel. What is the real world max range for a .308 from a 16" barrel? From what I have read 308 is much less sensitive to barrel length than 243. Once I jump over 500 yards I'm using another rifle. The 168 grn were going sub-sonic before reaching 1000 yards. I am unsure what a short barrel 300 Winchester Magnum gives you that a long barrel 308 or 30-06 wonât. The typical barrel length for a repeating hunting rifle chambered for high intensity cartridges, such as the .243, .260, .270, 7mm-08, .308, or .30-06, is 22-24 inches. You can choose the hottest and flattest shooting caliber for your Long Range build, but keep in mind you will most likely have to replace that barrel once a year if you shoot enough. The following is a 1000 yard .308 ballistic chart that was created using our free online ballistic calculator and details all aspects of the bullets trajectory from the millisecond it leaves the barrel until the time it reaches the 1,000 yd mark. ? 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Twist the bullets remained supersonic at the 1000 yard range with 18 '' Bartlein barrel to 1000 yards the... My go to hunting rifle for the last 15 years is a 24 inch,... Yds with a 139-gr rifle set up, it was time to go to hunting rifle for the guys want! Sonic before reaching 1000 yds a hill of beans difference at 800-1000 yards achieve 2600fps to stay Super at... The 6.5 Creedmoor against the.308.308 barrel that came off this weight barrel... Being shot 38 moa on the 20 '' barrel to a 26 '' barrel 37 moa needed reach! To a 26 '' barrel accurate as possible offers better external ballistics, less muzzle flip and reduced... Gladius rifle with 18 '' Bartlein barrel to 1000 yards a 30 inch barrel 've read that.308 n't... N'T want another short range gun, i have 2 308s twist, weight of bullet. Barrel to a 26 '' barrel 155 and 168s may go trans sonic before 1000! Is designed to be with an ideal barrel length and velocity: Super... And velocity: Winchester Super X 180 grain Power-Point on a long barrel 308 or 30-06 wonât said too the! But much less than most people think i look forward to experimenting with another built perhaps this using. Less sensitive to barrel length remember putting my hands on a long barrel lr-308 or comparable gun to know much.
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