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AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock
AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock AGP Arms SIG556 Folding Stock

AGP Arms SIG556 Folding Stock

$130.00

Here is the AGP push button side folding stock for use on the SIG 556. If your model has the AR style threaded buffer end of the receiver, this kit will fit.  The stock features a removable end cap that allows for storage in the tube section.  You are able to store your proper paperwork, cleaning kit, batteries, etc in this section. 

The kit comes complete with the stock and hinge and all the billet adapters to mate with your lower receiver, anti-rotation plug.

Optional 1/2" or 1" butt pad.

Length of Pull:

No Buttpad - 11.75"

1/2" Buttpad - 12.25"

1" Buttpad - 12.75" 

Will not fit the newer 'Classic' model that had the hinge built into the receiver. If your 556 has a factory folding stock, this product will not work. 

Available in Black and Flat Dark Earth

Instructions

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Description

Description

Here is the AGP push button side folding stock for use on the SIG 556. If your model has the AR style threaded buffer end of the receiver, this kit will fit.  The stock features a removable end cap that allows for storage in the tube section.  You are able to store your proper paperwork, cleaning kit, batteries, etc in this section. 

The kit comes complete with the stock and hinge and all the billet adapters to mate with your lower receiver, anti-rotation plug.

Optional 1/2" or 1" butt pad.

Length of Pull:

No Buttpad - 11.75"

1/2" Buttpad - 12.25"

1" Buttpad - 12.75" 

Will not fit the newer 'Classic' model that had the hinge built into the receiver. If your 556 has a factory folding stock, this product will not work. 

Available in Black and Flat Dark Earth

Instructions

Reviews (12)

Reviews (12)

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AGP Arms SIG556 Folding Stock

The AGP Arms SIG556 Folding Stock is the perfect replacement for the M4 telescoping stock that comes with the 1st generation Sig 556 without breaking the bank. After seeing comparable stocks for more than twice as much and usually out of stock, and seeing that AGP is here in Arizona, this was a win-win-win! Installation was easy and it works great. Good, snug fit and operation. Highly recommended!
Posted by Steve on 7th Feb 2023

Recommend.

Excellent product, works great.
No issue's.
Would recommend to a friend if asked.
Posted by MICHAEL on 4th Nov 2022

Excellent stock that fits well

I set aside an hour to get this installed on my P556 but ended up only needing 5 minutes. This is an excellent alternative to having to buy a $1,000 lower. The stock does not latch folded, but the latch mechanism works great when folding and unfolding. The stock kind of stays folded by friction. I use mine without any spaces but did buy the longest spacer available with the stock. One down side is that when I tried to put the spacer on the stock the coarse screws included stripped out the screw holes in my stock and I do not see the stock being offered by itself. No biggie, probably my fault for doing something wrong, I'm glad I like it without the spacers.
Posted by Brennan Mai on 10th Jun 2022
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Additional info

Additional info

SKU: AGP-SIG-FOLDINGSTOCK
Shipping: Calculated at Checkout

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