Urgent: Buy or Upgrade my AR?

[crays]

Do you have the opportunity to take the Sig for a test day at the range?

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[Erni]

No way to try it out, so there is the risk of ending up with a poor accuracy gun.


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[Great-Kazoo]

Agreed. Amazing how I realized that after having the gun for a few months. Chit my FAL para has a better balance and feels lighter.

Any thoughts about Sig M400? The specs seem mostly Mil spec, but I see some hate posts out there.

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Show me 1 firearm that doesn't have some baggage

No way to try it out, so there is the risk of ending up with a poor accuracy gun.


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What does the sig website say regarding the accuracy? Stag and others unless it is one of the varmint, precision rifles do not guarantee sub MOA. If you can hit a 12 x 12 - 14 x 14 steel plate @ 2-400 yds it works.

IMO: you should reprofile the bbl, add or subtract accessories as you feel the need, and keep what you have. The remaining money can be spent on ammo.

[Hound]

If you are happy with your lower (not sure what the trigger issue is specifically but new springs are cheap) there are plenty of uppers from $300 and up at places like BCM, Midwayusa and other shops. Switch out your upper and be happy. You could also watch the trading post for deals on parts and save there. This is the great thing about the modular AR platform. You don't have to trash the whole thing because parts are old or your needs have changed.

[kwando]

I got a 16" Spikes upper (.750 gas profile) with KMR Rail.

[ray1970]

That KMR rail is super light. When mine arrived I wasn't sure there was even anything in the box.

[Irving]

Where is the urgency exactly?

[Erni]

The urgency is that the gun is on hold for 4 more days only and I need to decide asap.
The trigger on the gun is stock so upgrading it to something nice is on the list, but can be left alone for now. I am not seeing the savings if I do the work myself and sell the RRA, even though I love smithing. (Just got done with a beaver tail and ignition set on a 38 super 1911). I like the concept of the keymod hand guard, less is more here and as a product engineer I think its close to a perfect solution. After finding some numbers on component weight the mass savings on the sig vs the RRA is probably around 16oz, but thats all forward of the recievers.
If I keep the RRA and swap to a BCM rail it will save 13oz, since the BCM is much lighter. Not a big difference overall but the mass on the heavy barrel will be further out there and will give the gun a nose heavier feel. Sorry, the product engineer takes over sometimes. ..
Ideally I would compare both side by side but that's not going to happen.

[Great-Kazoo]

The urgency is that the gun is on hold for 4 more days only and I need to decide asap.
The trigger on the gun is stock so upgrading it to something nice is on the list, but can be left alone for now. I am not seeing the savings if I do the work myself and sell the RRA, even though I love smithing. (Just got done with a beaver tail and ignition set on a 38 super 1911). I like the concept of the keymod hand guard, less is more here and as a product engineer I think its close to a perfect solution. After finding some numbers on component weight the mass savings on the sig vs the RRA is probably around 16oz, but thats all forward of the recievers.
If I keep the RRA and swap to a BCM rail it will save 13oz, since the BCM is much lighter. Not a big difference overall but the mass on the heavy barrel will be further out there and will give the gun a nose heavier feel. Sorry, the product engineer takes over sometimes. ..
Ideally I would compare both side by side but that's not going to happen.

Pull and reprofile it .

[Erni]

How much does that run including refinishing

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