Uppers, Lowers, Barrels and Parts | SIG Sauer 556 Arms Forum

Sticky Adding a folding stock with Ace parts

2 3

41

61K

by JohnnyCashout

Swiss 551 hand guards on 556

2

184

by Mr. Football

Wtb: Handguard quad rail for Sig 556R

1

144

WTB 550 semiauto steel lower (gray) or 551A1

4

561

by BM59

8

384

by smax

SIG 551 / 552 / 553 / 556 Folding Stock - Black

7

735

Looking for quad Rail

3

398

WTB Sig 556 SCM Stock Adapter

10

570

by LKY13

WTB: Swiss 55x Lower for STANAG Magazines

0

349

ISO- Sig Sauer 556xi Aluminum Handguard

0

218

Sig 551 new complete lower and magazines

2

4K

by CGRBB

Want to buy 556 lower and 556r lower

6

506

552 handguard/Jmac retainer/folding sight gas block

0

325

1

500

Folding stock adapter for UBR

7

704

by Mr. Football

WTB 556 Pistol Grip any color. No Houge

7

715

Sig 551 lower- looking for one

3

496

by CGRBB

Adjustable folding stock on GB

0

305

556 stock and forearms

4

903

Swiss magazine damage PSA

1

653

by rambo

WTB Sig556 OD green grip

12

770

by CGRBB

Swiss stock on fishgill 556?

14

1K

by DinoR

Wanna trade Black UBR stock for OD green

2

320

Sig p556 10inch to 16 inch barrel

13

2K

by CGRBB

Necessary SIG 516 Spare Parts?

3

1K

by Tad_07

1

453

by muffe

WTB - Sig 522 20in Bull/Target Barrel

1

379

by Chaotic Deconstruct

WTB Rubber butt pad and original handguards

7

960

by jb76

How Critical are the Vent Holes on a Cut Down 550 Handguard?

18

1K

by mbat

WTB Lower with Classic/Swiss Style Folder

0

353

by Mr. Football

Classic 556 handguard

4

1K

by kxh121

WTB: Griffin Tactical Charging Handle

0

683

WTT- my 16” swat patrol railed upper for a 16” swat upper

2

589

WTT. Swiss Sig stock in OD for black.

3

857

by hooch

In Search of 556 XI Lower

16

1K

by DonaldTrumpFTW

Sig 556 Swat Parting Out

10

2K

by Wack86