Multi Purpose Rifle: CORBON's 77gr MPR (TMK) .223 Gel Test
This video features a gel test of COR-BON's 77gr MPR (TMK) ammunition in .223 Remington. The test, even from a short 10.5" barrel, demonstrates solid performance with significant penetration (14.5"), a retained weight of 37.2gr, and maximum expansion to 0.495". The description confirms the use of the Sierra 77gr Tipped Match King bullet and highlights the ammunition's marketed suitability for match, hunting, and home defense.










