AR Sponsor
Posted: 4/18/2014 11:11:34 AM EDT
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Hello all,
I usually post in the Bullpup Firearms section, but I'm considering an AR15 build, so I've ventured out from my comfort zone. I'm thinking of building a relatively cheap rifle by saving on components that don't *have* to be the highest end; however, I'm willing to spend on parts that will make a noticeable difference. My goals in building the rifle are to have something compact that can still be accurate (~1.5 MOA) at range (300-400 yards). 1) Are there any parts that I should spend the extra money on or any that I can get away with being cheap on? I figure I should spend the extra dough on a nice barrel and a nice trigger. 2) Is my goal of 1.5 MOA out of a 16" barrel realistic? 3) This isn't quite consistent with my "cheap" idea, but do silent buffer springs like this one actually work (https://www.primaryarms.com/JP-Silent-Captured-Spring-for-AR15-p/jpscs-15.htm)? I haven't fired ARs very much, but I remember all the ones I have fired having an unpleasant springy noise/feeling in the stock when fired. Are there less expensive solutions to this? Thanks in advance for any advice! |
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Just about any barrel should get you 1.5 moa. keep in mind 1.5 moa is not 1.5 inches at xx yards. it is a measure of angle. I bought a $100 barrel from palmetto last year for my cheap build, and it is still more accurate than I am with iron sights. It gets the most use out of all my rifles.
primary has a couple barrels right now for $115. Don't bother with the "silent" springs. I consider it gimmicky. If you want them though, go for it, just don't expect a lot. If you don't like the "twang", go over to davidtubb.com and order his flatwire spring, and then coat it in moly grease. |
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The arcminute is commonly found in the firearms industry and literature, particularly concerning the accuracy of rifles, though the industry refers to it as minute of angle. It is especially popular with shooters familiar with the Imperial measurement system because 1 MOA subtends approximately one inch at 100 yards,
1moa is 1" @ 100yards Match ammo, Trigger, Barrel, Optics - in that order I think personally. Jury for me is still out for me match bolts. |
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Thanks for the reply.
Yeah, I worded my desired accuracy poorly. I'd like 1.5 inches at 100 yards (preferably less), but I intend on shooting at 300 to 400 yards. Less than 1.5 MOA would be great, and I have read that ARs are pretty easy to make accurate, but I wanted to have realistic expectations. I will check out the tubb spring. Reliability is more important than a silent spring; it looks as if the tubbs spring is better on both counts. |
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1. You can pretty much cheap out on every part except (per your requirement #2) the barrel and trigger. An ALG Defense trigger would be an inexpensive but good choice.
2. With match ammo and a good barrel, doable (I'm not a big AR accuracy guy, at least not in 5.56, so I'll let someone else give you a definitive answer). 3. That springy noise let's you know it's working OK; when something goes wrong, it will let you know. I haven't even thought about quieting my action spring. 
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A Buddy of mine had a Olympic Arms Pneumatic Recoil Buffer that worked great and his AR didn't have the "Sprong" to it. It was a non-adjustable if I believe...which looking on their site they don't have anymore. They do have the adjustable but it will only fit A2 buttstocks and buttstocks that use a full length receiver extension tube. Here's the link:
Pneumatic Recoil Buffer - Adjustable I thought about getting one for my Oly eventually but so far I've decided to spend parts on other stuff for my first build, that and that "Sprong" doesn't bother me that much. I've heard of people greasing the regular spring and quieting it down...never done that so don't know how it works. |
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