The Stratus SB390 is our rock solid 300 Blackout 9″ pistol platform rifle. The SB390 is an Optics Ready pistol that features our 9″ 1:7 twist, 5R, Nitride finished barrel with a pistol length gas system. That barrel is headspace to your choice of our Bolt Carrier Groups which are properly staked using grade 8 fasteners. The upper and lower receivers are hand selected to ensure the best fit for this pistol.
|Barrel||9″, 300BLK, 1:7, Pistol Length|
|Gas Block||Low Profile, .750|
|Gas Tube||Nitride, Pistol length|
|Handguard||SLR ION 8″ Lite MLOK or KM|
|Muzzle Device||A2 Flash Hider w/ Crush Washer|
|Upper Receiver||Stratus, 7075-T6 Forged Aluminum|
|Lower Receiver||Stratus SB-15, 7075-T6 Forged Aluminum|
|Receiver Extension Tubes||Pistol, 7075-T6 Aluminum|
|Buffer Spring||SprinCo Blue|
***Please include you FFL’s name and phone number in the “FFL Information” or the “Order Notes” section on the checkout page. If you miss this step or haven’t determined which FFL you intend to use yet that’s ok, you can email us that information afterwards at firstname.lastname@example.org and we’ll take it from there.
SHIPPING RESTRICTIONS: This product must be shipped to a Federal Firearms Dealer inside the US. We do not ship to California, Connecticut, Massachusetts, Maryland, New Jersey, New York, or Washington DC.