Results for 40 S&W Upper Receivers

Dirty Bird AR-15 Forged Multi-Cal Receiver Set + SRMS Handguard - FDE, 9.5"

CMMG MkGs .40 S&W Banshee Upper Group Receiver 5in 1-16 Twist 0.578 X 28 TPI 13.7in Tungsten

CMMG MkGs .40 S&W Banshee Upper Group Receiver 8in Coyote Tan

CMMG MkGs .40S&W Resolute Upper Group Receiver 16.1in Tungsten

CMMG MkGs .40S&W Resolute Upper Group Receiver 16.1in Titanium

CMMG MkGs .40S&W Resolute Upper Group Receiver 16.1in Sniper Grey

CMMG MkGs .40S&W Resolute Upper Group Receiver 16.1in Midnight Bronze

CMMG MkGs .40S&W Resolute Upper Group Receiver 16.1in Coyote Tan

CMMG MkGs Resolute Upper Receiver Group .40 S&W 16.1in Armor Black

Angstadt Arms AR-15 0940 Receiver Set for Glock

Advantage Arms AAC1XD940-4 Conversion Kit Black .40 SW / 9mm Non-XDM Frames Only

CMMG MkGs .40S&W Resolute Upper Group Receiver 16.1in Charcoal Green

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

STERN DEFENSE 40S&W BOLTFOR MILL SPEC AND GLOCK PATTERN UPPERS

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

Aero Precision EPC-9 - 9/40 Enhanced Stripped Upper Receiver w/ LRBHO Kodiak Brown

Aero Precision EPC-9 - 9/40 Enhanced Stripped Upper Receiver w/ LRBHO OD Green

ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Black

ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Olive Drab Green

ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Bronze

ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Tungsten

ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle White

ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Flat Dark Earth

ABC RIFLE COMPANY AR .40 S&W Billet Pistol 4in Barrel Custom M-LOK Handguard Complete Upper Receiver w/BCG And Charging Handle Red