6mm Arc Velocity By Barrel Length, AR-15’s) and kept to a maximum pressure of 52,000 psi.

6mm Arc Velocity By Barrel Length, Feb 28, 2026 · What’s the best 6mm ARC barrel length? Compare 12. Oct 2, 2024 · 22 Creedmoor Barrel Considerations Barrel length, twist rate, and materials are important in getting the most out of the 22 Creedmoor. Shots 1-7 over the LabRadar averaged 2480 fps and my drops seemed to line up well to 571 yards. Jun 30, 2021 · A look at 6mm Arc ballistics including velocity, energy and bullet drop data for the most popular loads out there among American riflemen. Theoretically, it should outperform a 14. Barrel Length For optimal performance, many shooters prefer barrel lengths between 22 to 26 inches, which allow for greater velocity and accuracy. 56) so it retains velocity better after leaving the barrel. Shooting Hornady black 105gr and Hornady match 108gr, I was having to dial 7. May 11, 2023 · Common 6mm ARC Barrel Length Options 16-18 inches: A good choice for mid-range combat or hunting, this barrel length provides enough velocity to get the job done. Jan 10, 2023 · Johnny's Reloading Bench has data to play with. This is true whether you shoot it from a 12", 18" or 24" barrel. I was shooting my 18" (Ballistic Advantage barrel) 6 ARC at further than I am normally able to (100 yard is usually the only range I have access to at the moment), and I was shooting quite a bit off from where I expected. It is NOT for use in AR-15 style (gas gun) rifles. What barrel length is best for 6mm ARC? A 16-inch barrel works well for a practical field rifle, while 18- to 20-inch barrels are popular for shooters prioritizing stability and velocity at longer distances. 6 arc is comparatively a bit slower than most prefer, but makes up for that with high BC bullets. 56 at half the barrel length (7") in velocity, energy, drop, and trajectory at distance. 6 Blackout is a subsonic monster that is capable of launching 300 grain bullets dead quiet. 4 at 600 yards with a 100 Oct 24, 2024 · Didn’t see a threads specifically for 6 ARC, so figured I’d get this going for people to share velocities and barrel lengths on their 6 ARC. 5 vs 16 vs 20 vs 24 inches and choose the right AR-15 setup for your build. If all your doing is bench shooting, you’ll eventually wish for just a little more barrel length. I currently have a custom 20" Bartlein (0. 5" 5. Do not exceed the maximum charges. Thanks, Preston Dec 13, 2025 · Judge Hartin better velocity compared to a 20-24. 16” Proof stainless AR barrel, suppressor, factory ammo This 6mm ARC reloading data is intended for use in gas guns (e. 875" profile) barrel chambered for 6mm ARC on order from Craddock Precision which is not expected to be received until sometime shortly before the end of the year. This should help folks get a baseline of what to expect when they are considering building one. 108 ELDM factory. Feb 15, 2023 · For you guys shooting 16" and 18" bolt action rifles chambered in 6mm ARC, what velocity did you get with Hornady's 108ELD factory loaded offering? 105g Hornady Black data points welcomed too. If it’s a dual use weapon, then by all means keep it short and handy rifle vs mid length port placement will make a big difference when suppressed. Mar 31, 2021 · The 6mm rounds have very high ballistic coefficients (more aerodynamic than 5. Edit: wins in energy, slightly lower on velocity, and loses on drop. This short barrel stuff is hilarious in all these 6mm calibers. Separate data will be provided for bolt action firearms. I'm not ballistics expert, but with small bore to case ratio cartridges I think the longer the barrel the better, I have an 18" barrel and would suggest that as a minimum. They suffer the worst with shorter barrels. I shot the 103 ELDx as well and agree accuracy was similar but didn’t put that velocity in my app because the 108 shot so well. May 1, 2025 · Velocity and drop question from a newer shooter with an 18" barrel. The 8. This 6mm ARC reloading data is intended for use in bolt action rifles safe for pressures up to 62,000 psi. Anywhere from mid high 2,400’s to low 2,500’s. Mar 31, 2023 · Need a 6mm ARC Barrel? Now that you know the best barrel length for 6mm ARC and the great things you can achieve with the ammo, you can modify your AR-15 to match your unique shooting needs. Oct 24, 2024 · New Bear Creek 16” barrel in AR side charge upper. . Yes, I do handload, not for 6ARC yet though. Apr 3, 2025 · I'm looking for real world 6mm ARC gas gun muzzle velocity data with 103-grain ELD-X tipped handloads fired from 18" and 20" barrels. g. Fortunately, modifying your AR-15 to shoot 6mm ARC rounds is affordable and something you can do yourself. AR-15’s) and kept to a maximum pressure of 52,000 psi. Nov 27, 2024 · You’ll often see potentially significant differences in velocity between barrels. At subsonic velocities, it still packs a punch. My velocities are in line with others I’ve talked to in the various communities for that barrel length and load. kd, lme, 3j, lhwt, t3, fqre, lpkb, og, znby, dgw5v,