STG Universal barrel shroud for 4 lug trunions. Loosely patterned after the Swedish M37 short-barreled Suomi setup.
Fits all STG barrels greater than 8" long
Finish: Black Oxide
Front sight position to match use with BRP-modified KP31 tangent rear sights on Stemple Suomi and STG76
10-32 threaded holes are at 90deg increments to fit Atlas BT15 Picatinny Rails