Noveske SPR contour incorporates an intermediate-length gas system, and a .749 inch seat for a barrel mounted front sight in front of a rifle length handguard for MK12 mod0 configuration.
For your convenience we have published a set of installation instructions for this product. The instructions are in Adobe Acrobat's Portable Document Format (PDF). You will need Adobe Acrobat Reader version 5.0 or higher to view and print the instructions.
If you do not have Adobe's Acrobat Reader, you can download a free copy athttp://www.adobe.com/acrobat/readstep.html.