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

Sticky Adding a folding stock with Ace parts

2 3

41

67K

by JohnnyCashout

Sig 522 Samson Quad Rail Handguard

16

2K

556R Barrel Thread?

1

152

folding stock button pin needed

1

203

by zombiesniper

simunitions adapter

0

116

Rail systems

0

171

556 factory SBR 10” barrel, how to adapt the 550 handguard?

8

788

Sig556 latch spring

0

194

by Vinnyc

Barrel options for 522

0

205

WTB: Troy Industries SIG-556 Battle Rail/ possibly SWAT handguard. (rifle length)

7

580

by Cball

WTB Digicam Handguard for 556

1

371

WTT sig 556xi patrol Samson for sig 556classic

3

453

by E lop

Want to buy 556 lower and 556r lower

9

1K

by E lop

SOLD New SIG P556 complete upper receiver group

3

656

by LKY13

556 Patrol Op rod

3

624

by Godfryness123

Brand new 556 lower

4

859

by Godfryness123

Muzzle Device Options for Sig 556 ER - Surefire Warcomp?

2

686

by Godfryness123

Sig p556 10inch to 16 inch barrel

16

5K

by Godfryness123

556 SWAT Classic trigger guard roll rin question

0

206

by SOG556

I want to sell this but don’t know what to call it…

3

511

by Genis

WTS Sig 556 fishgill forend $150

0

324

by JonA

WTB Looking for a 556 Classic or 551 Handguard

1

467

by JonA

WTB: Sig 55x series, 540, Famae receiver scrap

1

192

by sprat

Swiss stock on fishgill 556?

15

3K

I need the complete lower for my 556 xi.

0

272

by rapsa

Sig Sauer 556 - Hand guard & Adjustable Stock - FOR SALE

8

2K

556 STOCK ADAPTER - 1913 INTERFACE

0

375

552 handguard/Jmac retainer/folding sight gas block

2

1K

WTB 556xi Pistol Lower

1

323

by LKY13

WTB 556r firing pin

4

619

SIG 556xi Need Hammer Assembly

4

459

by muffe

Question About Swiss Handguard on Sig ER Upper

4

761

by jb76

Looking for a barrel converter voor my Sig Sauer 522

0

250

Sig Sauer 522 barrel nut

1

214

WTB Sig 556 SCM Stock Adapter

11

2K

Charging handle

0

558