Stern Defense SD MOD 5 9MM UPPER RECEIVER 6IN M-LOK COMPLETE BLACK 015SD8INCHMOD5M

The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5” barreled upper has a 10” M-LOK free float handguard, and the 6” barreled upper has an 8” M-LOK free float handguard.

To bring the muzzle out beyond the end of the handguard both uppers have SD HBC 9MM Blast Can installed. Both barrels have a 1-10 rate of twist, ½-36 muzzle thread pitch, and a Melonite finish.

• 8.5” or 6” barrels
• M-LOK Free Float handguard
• Complete assembly with 9mm bolt and charging handle
• ½-36 muzzle thread pitch
• SD BU9 9mm Bolt

Included in the upper receiver is charging handle and the Stern Defense 9mm Bolt which is compatible with both Glock and Colt SMG magazines, has a Mag-Phosphate finish, and is works in conjunction with the Law Tactical Folding Adapter. The Stern Defense SD Mod 5 9mm Upper Receiver is made in the U.S.A. All NFA rules apply.