556R Discussion | SIG Sauer 556 Arms Forum

Sticky SIG 556R stress test:1,260 rounds; Range and Steel Ammo

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16K

556r Factory mag

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54

by Cbguns

New to me Sig 556R

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503

Who still owns a SIG556R? Let's see them!

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38

16K

556R lower on 556 upper

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598

Sig 556R Gen 1 vs. Gen 2

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326

by LKY13

Remove. Thank you

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225

by Cbguns

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237

7.62 magazine compatibility

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2K

Firing pin tension difference between 556R and standard 556?

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924

Picked up 556R on Gunbroker and could use help identifying these parts

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724

In dire need lol, 556r firing pin

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385

555xi metal hand guards

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366

by Maneatinglizard

Looking for quad rail handguard for 556r

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1K

by Aben

WTB - Extended charging handle

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299

Going Back to Plastic

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4K

0

699

My Sig556R now cut for AK drums

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5K

SIG556R Gen2 Steel Shooting

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1K

Dust Cover Removed

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3K

by Bosley

SIG 556R parts, anyone thought of selling their Gen 1's & newer?

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3K

by USMColdCorps

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Sig 556R Terrible Accuracy

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24

7K

by USMColdCorps

Troy Micro Buis Zero advice.

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1K

5

2K

2

30

10K

Sig 556R Parts Availability

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2K

556R 28E serial numbers.......

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4K

by USMColdCorps

In Need of Gas Valve

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2K

by g19ftw

Source for 556R 2nd Gen parts

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2K

Ejection issues

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3K

Should I trade my Sig 516 Gen 2 Pistol for a Sig 556 Xi Russian Carbine?

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2K

by Iamscotticus

Is the 556 Russian considered an AK?

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3K

2

2K

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2K

New 556xi SWAT in 7.62x39

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4K