Attaches to rail with an oversized, ½" knob; tighten by hand or a wrench for rock-solid stability.
AR-15, Issue:08, Page:092
Big Book Catalog, Issue:65, Page:359
Law Enforcement / Police Store, Issue:08, Page:026
New Product Supplement, Issue:574, Page:008
SPECS: Steel, matte black. ½" clamping knob. Attaches to Picatinny rail systems with no permanent modifications.