Price history at MidwayUSA
Recorded at MidwayUSA since Oct 9, 2026: low $73.99 (Oct 9, 2026), high $75.70 (Oct 11, 2026). Last checked Nov 1, 2026.
Product Description
The PRI picatinny rail gas block allows the user to attach a removable front sight, or other railed accessories. Fits AR-10 barrels, secures to barrel with two cross bolts. Covers same area on the barrel as original sight base. Top rail is the same height as an Armalite 308 receiver.
Price history at MidwayUSA
Recorded at MidwayUSA since Oct 9, 2026: low $73.99 (Oct 9, 2026), high $75.70 (Oct 11, 2026). Last checked Nov 1, 2026.