Shop 13 Deals on Stern Defense Upper Receivers

Stern Defense 4" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

Stern Defense 8.50" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

Stern Defense 16.10" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

Stern Defense AR-15 Upper Receiver 9mm 6in Barrel 8in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SD HBC Blast Can Black 015-SD8INCHMOD5-KK

Stern Defense AR-15 SD 15 MOD5 Upper Receiver Assembly 45ACP 6" M-LOK

Stern Defense AR-15 Upper Receiver .45 ACP 16.1in Barrel 15in MLOK Rail SD BU45 Bolt SD CH1 Charging Handle SD CB45 Comp Break Black

Stern Defense Assembled Upper Receiver, Black

Stern Defense AR-15 SD 4 MOD4 Upper Receiver Assembly 40 S&W 4" M-LOK

Stern Defense AR-15 SD 4 MOD4 Upper Receiver Assembly 45ACP 4" M-LOK

Stern Defense SD 8.5in MOD5 .40SW Upper Receiver Assembly 10in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD10INMD5ML8.5INBR40SWKK

USED Stern Defense SD 4in Mod4 M-Lok 4in Barrel 9mm Black Complete Upper Receiver Black SDINBRLKK

USED Stern Defense AR-15 10in Upper Receiver 8.5in 9mm Barrel MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SD HBC Blast Can Black 015-SD10INCHMOD5-KK

Stern Defense SD 16.1in MOD4 MLOK .40SW Upper Receiver Assembly 15in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD15INMD4ML16.1INBR40SWKK