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14 years 7 months ago #3441 by littleBIGgun
Replied by littleBIGgun on topic Re:Hey Everyone
Thank you both! I really appreciate your input and COMPLETELY respect what you have written. I truly want to build this rifle, but at the same time, I'm a bit nervous that something can go wrong. I've read so much about the build and its simplicity. My buddy is a marine and keeps telling me it's like Lego's for men! lol. If I buy online, I have to ship to an FFL dealer. I live in NY, and the dealers here are friggn' crooks and want $100 for transfer.

SASS.. you're definitely not being rude or persuasive, you're very helpful.

Thanks again guys. I'll post up when I'm in possession of my AR! I'm sure you won't forget my alias! :O)

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14 years 7 months ago #3443 by BUILDING MY SASS
Replied by BUILDING MY SASS on topic Re:Hey Everyone
Well that is robbery....for a trans fee...Good luck with your quest my friend, and we look forward to seeing it....
BMS

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14 years 7 months ago #3446 by MikeS.
Replied by MikeS. on topic Re:Hey Everyone
LBG, can you buy it in a free state and bring it in? For instance I can buy a long gun in Va, about 5 miles away, and freely bring it into WVa.

Also, if you go the parts route only the lower receiver, I believe, has the serial # and requires the ATF form.

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14 years 7 months ago #3447 by MikeS.
Replied by MikeS. on topic Re:Hey Everyone
mmsshh wrote:

Snipped
The 168s aero package is early 1960 tech and the 155 is the new aero design for competition and high BC. The 175 is the mix of the both of them to keep the old style 5R barrels and the newer 3 groove type barrels shooting a common bullet. I look for the 168 to be droped from the line up in one generation of shooters because sales will favor the 175. Remember the 174 match stuff from Lake City MO was the main thing that kelp the M14 in service matches as long as it was. We changed that at AMU 20 years ago because my mouse gun was riping everybody a new one plus we cut the rifle price in half but maintaince went up with the ARs. On these 308s If your hunting a mixed conditions best to go with the 20" with a 10 twist barrel for bullet variety and possible shortages in the future.MSH


LBG, seems like you have most of your ?s answered, so I'm going to ask some here. Don't mean to mess ya up. I too am new to the AR world and have a lot of ?s.

MSH when you say 155, 168 & 175 do you mean bullet weight? If not bullet weight what are you referring to?

What are the differences between 5R and 3 groove barrels?

What shortages do you foresee? Bullets? Geez, Now I have to stock up on another caliber...

Thanks y'all.

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14 years 7 months ago #3451 by a Guest
Replied by a Guest on topic Re:Hey Everyone
I mean bullet weight.
The 5R barrel In short has 5 or 7 lands and has an angle on the back side ending in a radius to ease pressure on the bullet jacket. The 3 groove barrels have wider lands that are not as deep and reshapes the bullets very little when fired. Better aero package.
Not to be rude but we have been in an ammo shortage and primer shortage because 'O' got elected where have you been it is just now easing off. The Pope can fart and we get in an ammo shortage. Read back and look at what the folks have been complaining about. This has been a serious issue.MSH

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14 years 7 months ago #3452 by MikeS.
Replied by MikeS. on topic Re:Hey Everyone
Thanks for the explanations. I thought you meant bullet weights but being brand new to the AR platform I wasn't positive.

As to the shortages, I lived and suffered through the 93-94 primer shortage. I learned my lessons there. In 07 I saw the changes coming and I started buying ammo and components pretty heavy. I've been able to load all I wanted and help some friends out, especially when it came to .380acp. So yeah, I'm quite aware of the shortages.

Now that I've been bit by the .308 bug I'll need to buy another caliber bullet, find what works for me and lay in a good supply of bullets and brass. Before the Pope farts again. :laugh:

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14 years 7 months ago #3456 by silver78
Replied by silver78 on topic Re:Hey Everyone
So to add my two cents here - and this is for the OP plus the guy who's trying to build his first AR-10. But this thread will also be read by others over time so I might generalize a bit more here.

While it fell of the posting pretty quick, the 6.5 or 6.8 is worth considering if you plan to hunt for deer or smaller game at distances under 250 yards. In my opinion accounts for over 80% of all hunting in the USA. I know I fall into this group having never even tried a shot at over 200 yards. To those of you who hunt at mega long ranges - well my hat is off to you - but you are a very small group in the hunter population. So for most the 308 is not "necessary" compared to the 6.X rounds. Advantages to the 6.X setups include use of the AR-15 platform which is smaller, lighter and except for the 6.8 specific parts, cheaper. Also you do not have to worry about cross brand fit since they all share a common platform. On the down side - and this is a big one - the 6.X cartridges are not in the same league as the 308 in ammo availability. The 308 is one of the most established rounds around. You can bet that in 20 years, the 308 will still be around. With the 6.X who knows?

Then there is the 308. More powerful, heavier, and each brand has some unique parts which may or may not interchange. You really need to know more to interchange parts. Me - I bought a fully assembled AR-10 and had a reliable gunsmith perform modifications to it. I like my AR-10 a lot.

On triggers - the Armalite factory match trigger is pretty good. I bought a Geissele trigger - it's even better.

On Barrels - in my view - if you are stepping up to the 308 - accept the fact that it's a bigger heavier rifle and get a 20 inch (or longer) barrel. Most 308 ammo is loaded for at least ths barrel length so unless you reload, you give up too much potential velocity with a short barrel. If MSH says the heavier bullets are gaining ground - trust him and go with the 1 in 10 twist.

As I said before - just my 2 cents. I'm no expert - just someone who has owned several AR platform rifles over the last 10 years.

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14 years 7 months ago #3459 by Bodenjager
Replied by Bodenjager on topic Re:Hey Everyone
Ok. . Silver. The .308 in 16" has a max effective range of 750 yards +/-. In 24" you run into that same wall at 900 yards+/- . So the extra 150 yards is negligible against the fact that the .308 maintains enough wounding capability out to that same range for medium size game. Both 6.x cal bullets require a 20+" barrel to retain medium game status to the 250-300 yard range. That results in a nose heavy rifle that is slow to point. The AR10 is well balanced with a target class 16" medium bull, and effective to 750 yards. The extra weight of the 20" only buys you 75 yards out at a ryange that is mostly useless for hunting.

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14 years 7 months ago #3462 by a Guest
Replied by a Guest on topic Re:Hey Everyone
Look Silver is giving you a good hint here check your loading manuals out they give a barrel length and usually the twist for each cal listed. I haven't seen any 16" barrels listed except on the pistol side in most of these manuals. If you vary in barrel length you better run your loads across a speedometer because you will get some humbling surprises, thats a fact. As far as nose heavy barrels they track better and in the wind they are more stable. At AMU we usually add weight under the handguards for this reason some opp for the butstock weight also but not as many. I just coached one of my Sr. NCOs to a win in the sniper competition last year with a stock DPMS SASS using the 175gr Sierra's and they were super sonic at 1050 yds. Now that rifle has an 18.5" barrel on it. The key was he had good ammo good glass and trust in his coach. The wind was 8 to 25mph and he only lost two points to elevation which I'll take the blame for due to an unseen tail winds. The point is if your going to run those short barrels you got to be on your toes with the conditions or you'll get bitten in the wind. Pratice with your pistol at 200yds for a while to get the effect of an SBR at 500yds. Its rare to here of a deer harvested much past 75yds. I watch these hunting programs and think what a bunch some times. Seems like it took a rocker like Ted to put some pratical shooting back on TV. Also if you don't pratice on a regular bases cut your effective range in half to 325yds.MSH

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14 years 7 months ago #3469 by Bodenjager
Replied by Bodenjager on topic Re:Hey Everyone
MSH, I got respect for the match rifle guys as they have pioneered the accuracy gains that us hunters enjoy. Just the long match rifle has no place in the hills. The Chronograph numbers tend to run 400fps +/- less than the advertised velocity from a24" test barrel when tested in a 16". One hunt comes to mind. Its 2003, in the NC mountains. We had hunted all day, when at dusk the bore we were looking for trotted out onto the valley plains. I had to swing out around a bush while simultaneously cheeking the A4 for a snap shot at approximately 100 yards. The light and handy 16" made it possible for me to pop 2 hogs before my partner could get that 24" T lined up on his first shot. The long heavy T worked great in matches but provided no advantage in the hills. He stated later that the nose heavy rifle was pulling him fwd on the slope we were standing on, I hate to think what would have happened if he had lost his footing with fi ger on the trigger, and safty off.

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