SIG SAUER 551-A1

Article:

Market types:

Civil

Rifle type:

Semi-automatic

Caliber:

.223 Rem

About Product

Model:	SIG551-A1	SIG551-A1
Subgroup:	semi automatic	semi automatic
Manufacturer:	Sig Sauer	Sig Sauer
Item #:	R551A1-F16B-C	R551A1-F16B-C-RD
Action:	Semi automatic	Semi automatic
Made in:	USA	USA
Year:	2011	2012

Caliber:	223 Remington (5.56×45mm NATO)	223 Remington (5.56×45mm NATO)
Barrel length:	16"	16"
Barrel finish:	Black	Black
Barrel type:	Round	Round
Rate of twist:	1 in 7"	1 in 7"

Stock type:	Folding	Folding
Stock material:	Polymer	Polymer
Stock finish:	Black	Black
Butt:	Rubber	Rubber
Overall length:	36.1"	28.3 - 36.7"

Trigger:	MIL-STD	2 Stage
Trigger pull:		7.6 lbs.
Magazine capacity:	20or 30	20/30
Magazine type:	Detachable Box	Detachable Box
Weight:	7 lbs.	7.9 lbs.

The SIG551-A1, chambered for the widely used 5.56 x 45mm NATO caliber using Swiss Polymer magazines. The SIG551-A1 features a swiss folding stock, and an M1913 rail for accessory attachment. The 16” barrel features four-groove rifling and a twist rate of 1:7” and measures 36.1” but can fold to 26”.