For those looking for an optic-ready platform, the SIGM400 SRP removes the front sight tower and replaces it with an M1913 railed front gas block.

This sight-ready platform allows the operator to mount any optic without worrying about the sight tower.

The gas block accepts all iron sights designed to work on the Mil-Spec Picatinny rail.

Features:

Direct impingement gas operating system with rotating locking bolt

5.56 x 45mm NATO Chrome-lined barrels with phosphate finish

Accepts most M16 type magazines

M16A2 Type flash hider

Caliber: 5.56x45mm NATO/.223 Rem

Overall Length: 35.5"

Rifling: 1:7"

Number of Grooves: 6

Barrel Length: 16"

Weight without Magazine: 6 Pounds 5 Ounces

Magazines Included: 1-30 Round

Features: Six-position collapsing stock, AR-15 type magazine

SKU RM400-16B-C-SRP

UPC 798681436897