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Post by gettophilosopher on Nov 22, 2011 15:45:42 GMT -8
So I got a new JD Machine AR308. Traded a guy an ACOG and some cash for it, and am loving it. However, what I don't love is the amount of recoil/muzzle jump. I don't mind recoil, but it's making it hard to stay on target. I'm picking up a FSC30 muzzle brake, I'm thinking of swapping around the buffer and gas systems too. Right now it's got a Magpul UBR stock (carbine buffer, entry tube) and a DPMS 16" bbl (carbine gas system). It's a very harsh recoil, even compared to my Saiga 12 with magnum 3" slugs.
Anyone with more 308 experience than me wanna chime in on cost/benefit? What's going to help smooth this out the most....muzzle brake, rifle length stock/buffer, or longer gas system (I'm eyeing an 18" LR profile with rifle gas system)?
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Post by rswarden on Nov 22, 2011 16:21:55 GMT -8
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Post by Deleted on Nov 22, 2011 18:20:04 GMT -8
I agree, the Bennie coole would make a huge difference. Just make sure you have double ear protection for practice and you will be ok. Do not shoot anymore until you fix that "relationship". once you start to flinch it is hard to take the bad habits away. All the below are great recommendations but do not do all at once try the break, an obvious one in a 16"carbine in 308win, and then see how it goes. The 308 is very manageable so I hope you get to love it like I do. Shot this all my life in the service and as enthusiast and it is extremely accurate, versatile and fun.
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Post by gettophilosopher on Nov 23, 2011 8:14:23 GMT -8
I agree, the Bennie coole would make a huge difference. Just make sure you have double ear protection for practice and you will be ok. Do not shoot anymore until you fix that "relationship". once you start to flinch it is hard to take the bad habits away. All the below are great recommendations but do not do all at once try the break, an obvious one in a 16"carbine in 308win, and then see how it goes. The 308 is very manageable so I hope you get to love it like I do. Shot this all my life in the service and as enthusiast and it is extremely accurate, versatile and fun. We're on the same page on this one. I'm not going to keep shooting the rifle and build bad habits. Besides, the danged Eotech magnifier kept slapping me in the eye. >< Muzzle brake it is. I hadn't thought of an adjustable gas block, that's a good idea. Now to go research the hell out of the FSC vs. JP Cooley brake. I've heard great things about both.
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Post by Deleted on Nov 23, 2011 8:51:05 GMT -8
the dual open port design is the most effective one so of those you mentioned the Coolie would be the most effective. If you look at an AI - AW style brake it doesn't look like much but it is extremely effective.
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Post by gettophilosopher on Nov 23, 2011 9:37:43 GMT -8
I had heard a lot of good things about the PWS FSC30, but doing more research you guys seem to be right. JP gets better reviews.
Any comment on the large vs. small bore comps from them?
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Post by Deleted on Nov 23, 2011 9:59:35 GMT -8
I don't know about any reviews or fashions. I tell you from the engineering stand point and from experience using dozens of different brake designs all my life. Now I design my own and have them cut if I cannot do it. There is no better brake I can have than the one I can produce by myself and to my specific needs. I see a lot of exotic and expensive junk that adds nothing to the system and even might be making it worse.
It is more simple than others want us to believe:
- Dual side port. - exposed muzzle. (easy to clean). - Keep it Short - keep it Light. - Avoid multichamber, long narrow passages for the bullet.
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Post by gettophilosopher on Nov 23, 2011 23:00:36 GMT -8
I think I've heard what I needed to hear. I'll update when it's time to upgrade this.
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