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

Sticky Adding a folding stock with Ace parts

2 3

41

68K

by JohnnyCashout

SIG Forend w/ Bipod on a 556?

2

131

556 Patrol Spring Specifications

8

295

Sig 556xi Russian 10 inch Barrel

1

87

by Rack09

Sig 522 Samson Quad Rail Handguard

18

3K

by Kewusn

WTB 556r firing pin

6

1K

by desneymatric

552 handguard/Jmac retainer/folding sight gas block

3

1K

WTB: JMac Customs 552/3 HG Retainer Caps for P556

0

268

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

8

1K

556R Barrel Thread?

1

409

folding stock button pin needed

1

336

by zombiesniper

simunitions adapter

0

220

Rail systems

0

263

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

8

1K

Sig556 latch spring

0

282

by Vinnyc

Barrel options for 522

0

296

WTB Digicam Handguard for 556

1

464

WTT sig 556xi patrol Samson for sig 556classic

3

647

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

942

by LKY13

556 Patrol Op rod

3

686

by Godfryness123

Brand new 556 lower

4

965

by Godfryness123

Muzzle Device Options for Sig 556 ER - Surefire Warcomp?

2

901

by Godfryness123

Sig p556 10inch to 16 inch barrel

16

6K

by Godfryness123

556 SWAT Classic trigger guard roll rin question

0

273

by SOG556

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

1

259

by sprat

WTB Looking for a 556 Classic or 551 Handguard

0

627

Swiss stock on fishgill 556?

15

3K

I need the complete lower for my 556 xi.

0

349

by rapsa

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

8

2K

556 STOCK ADAPTER - 1913 INTERFACE

0

453

WTB 556xi Pistol Lower

1

403

by LKY13

SIG 556xi Need Hammer Assembly

4

547

by muffe

Question About Swiss Handguard on Sig ER Upper

4

947

by jb76

Looking for a barrel converter voor my Sig Sauer 522

0

324

Sig Sauer 522 barrel nut

1

273