User Manual
Standard SI Defense Rifle Manual
Adjustable Gas Block Instructions
Installation and Adjustment of Adjustable Gas Block
2-Piece .308 Handguard Instructions
Installation of .308 2-piece free-float customizable handguards
Free Float Customizable Tube .308 Handguard Instructions
Installation of .308 2-piece free-float customizable handguards
HK G3 Feed Lip Modification Instructions
Modifying your HK G3 Magazines for the AR
.300 Fireball Barrel Notice
.300 Fireball Barrel Function
Barrel Break-in Instructions
Instructions on breaking in your AR Rifle barrel
Catalog
SI Defense 2011 Catalog