CMMG 46k (compact)

Direct thread mount. Stainless steel. 
Rated for 22 ARC, .300 BLK, .308 WIN, .338 ARC, .350 LEGEND, .40 S&W, .45 ACP, 4.6X30MM, 5.56X45MM, 5.7X28MM, 6.5 CREEDMOOR, 6.5 GRENDEL, 7.62X39MM, 8.6 BLK, 9MM, 10MM, 45-70 Govt, and more. 

5.5"/15.3oz