User Manual
Standard SI Defense Rifle Manual
Adjustable Gas Block Instructions
Installation and Adjustment of Adjustable Gas Block
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 2010 Catalog