Posted 06 March 2010 - 04:20 PM
Has anyone shot one and found redeeming characteristics in this rifle? How is accuracy? Reliability? I am trying to wrap my head around why these rifles fetch so much.
Posted 06 March 2010 - 05:55 PM
hokey religions and ancient weapons are no match for a good blaster at your side
Posted 06 March 2010 - 06:55 PM
Edited by aessu, 06 March 2010 - 06:57 PM.
Posted 06 March 2010 - 11:59 PM
impressions...with all the plastic on it, it moves...ALOT, forward and back and if you twist the forearm, it will cant as your gripping it, trigger, like was said...pretty funky w gobs of pre and over travel and pretty heavy, cant reach the mag release without letting go of your grip...but it went bang everytime he pulled the trigger w/ factory ammo...the piston system give a 'softer' felt recoil, aftermarket parts??? next to none, save for a couple places making an after market rear to bolt on...past that...zip...nada....I'll stick to my AR platform thank you
Posted 07 March 2010 - 12:14 AM
Posted 07 March 2010 - 12:29 AM
Stick with the AR.
Posted 07 March 2010 - 06:48 PM
Posted 08 March 2010 - 10:27 AM
After some tweaking my Sig 556 shoots as soft and handles as well as any competition AR I've ever used. With my 69gr. match handloads the Rifle shoots sub-moa out to 400 yards and others have seen and can verify these results. I've dialed my trigger down to about a crisp two pound break, but there is still plenty of take-up and over-travel present. Sig is working on developing a single-stage drop in trigger as an accessory, but I'm not sure what the status of the new trigger system is at this moment.
Here are a few things that I did that will help make your Sig perform a little better.
Stocks- Find a AR stock that has some weight to it like the Magpul M93's or the UBR. The 556 tends to be a little muzzle heavy due the gas piston system and because of this all the operating parts and weight are more towards the front of the rifle. That lightweight stock and empty buffer tube does nothing for balancing the rifle. I prefer to use the older Magpul M93 stock. Having a heavy stock will balance the rifle out and make it less nose heavy, although it will increase the overall weight of the rifle.
Magazine release- Yes the magazine release button is just out of reach without shifting your grip, but it's an easy fix. I installed an Arrendondo extended release button. I can now reach and activate the button without shifting my grip.
Triggers- The Sig trigger can be adjusted for weight of trigger pull. Using the set screw under the pistol grip will allow you to adjust the pull weight of the trigger. Mine is set around 2 lbs. Unfortunately, there is no pre or over-travel adjustment, but Sig is working on this.
Handguards- I replaced my polymer handguards with a Troy Industries railed handguard. The handguard attaches to the upper reciever and to the gas block. Although it does not free float the barrel, my experience has been that having the aluminum handguard attached to the steel receiver and the steel gas block has helped increase the rigidity of the whole barrel/gas block system. I noticed an immediate improvement in accuracy after installing the Troy railed handguards.
Compensator- While this may go without saying, put on a good quality compensator. When I was initially approached by Sig about shooting the rifle, I wasn't very enthusiastic about the prospect. At the time I was shooting another well known piston rifle system and it performed great, but even with as much as I tweaked it, I could never get it as soft and a standard AR. I installed a Titan comp and prepared to be underwhelmed. I couldn't have been more wrong. I was stunned at how well the 556 with the Titan shot. I handed the rifle to another well known GM 3-gun shooter and asked him for his thoughts. He fired a 30 round magazine, turned to me and said, "Dude, don't tell anybody about this!" It handled that well. A good comp should really improve the handling characteristics of the 556.
Other than these few things, my 556 is stock. I figured that I get all the accuracy of an AR and all the reliability of an AK. What's not to like! So I agreed to shoot it and I'll be using it again this season starting at SMM3G in a couple of weeks. If you happen to see me and want to give it a test drive, come on over, you're more than welcome to try it for yourself.
Edited by Bear1142, 08 March 2010 - 10:31 AM.
"If you can't handle the pressure then step aside...I don't step aside, I step up."
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