Optimized for accuracy, the SPR contour and 5/824 threads at the muzzle are by no means lightweight, but are built with accuracy in mind. The PRECISION series are 416R stainless steel, black oxide coated barrels.
Sons Of Liberty Gun Works 16PRECISIONSPR6MAX Precision SPR6mm MAX 16″ Threaded SPR Profile, Black Oxide Stainless Steel, Fits AR-15
