• Free floating barrel design to achieve maximum accuracy potential.
• Removable side and bottom dovetail rail panels for mounting accessories such as lights, lasers and vertical forward grips.
• Drastically enhanced cooling.
• Lightweight and rugged aluminum construction.
• Quick Change Lower Handguard.
• Available in both Civilian(C) and Military(M) configurations. (Installation of Military S.I.R. ® Variants requires removal of the Delta Ring/Handguard Retaining Ring).
• The S.I.R. ® System is designed to fit mil-spec flat top receivers in the 5.56 cal. carbine, mid, and rifle lengths. The #51 S.I.R. ® Allows mounting to the carbine A1/A2 carry-handle. There may be other flat top receivers manufactured that the S.I.R. ® may fit to properly, but we do not guarantee or warranty the S.I.R. ® on any flat top receivers other than those listed above.
No additional information is currently available. If you have further questions, please call 800-367-3763 for Streicher's Customer Service.
Standard shipping rates apply for this item.