Uppers

Shop precision-engineered upper receivers for rifles, designed for accuracy, reliability, and custom builds.
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Picture of Stern Defense SD MOD 4 9MM UPPER RECEIVER 16.1IN M-LOK COMPLETE BLACK 015SD15INCHMOD4

Stern Defense SD MOD 4 9MM UPPER RECEIVER 16.1IN M-LOK COMPLETE BLACK 015SD15INCHMOD4

$724.99 $571.46
Picture of Stern Defense SD MOD 5 9MM UPPER RECEIVER 8.5IN M-LOK COMPLETE BLACK 015SD10INCHMOD5

Stern Defense SD MOD 5 9MM UPPER RECEIVER 8.5IN M-LOK COMPLETE BLACK 015SD10INCHMOD5

$647.99 $510.64
Picture of Stern Defense SD MOD 5 9MM UPPER RECEIVER 6IN M-LOK COMPLETE BLACK 015SD8INCHMOD5M

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

$625.99 $493.86
Picture of Odin Works Inc. AR-15 BILLET UPPER RECEIVER BLACK UPPER-ODIN-BILLET-1

Odin Works Inc. AR-15 BILLET UPPER RECEIVER BLACK UPPER-ODIN-BILLET-1

$194.99 $153.96
Picture of Foxtrot Mike Products MIKE-45 16 COMPLETE UPPER RECEIVER MIKE45-16UR

Foxtrot Mike Products MIKE-45 16 COMPLETE UPPER RECEIVER MIKE45-16UR

$445.00 $347.25
Picture of Aero Precision M4E1 5.56 ASSM UPPR 11.5'' CARBINE 9'' ATLAS S-ONE HG BLK APAR700302M29

Aero Precision M4E1 5.56 ASSM UPPR 11.5'' CARBINE 9'' ATLAS S-ONE HG BLK APAR700302M29

$515.99 $406.58
Picture of Aero Precision M4E1 5.56 ASSM UPPR 11.5'' CARBINE 9'' ATLAS S-ONE HG FDE APAR700312M29

Aero Precision M4E1 5.56 ASSM UPPR 11.5'' CARBINE 9'' ATLAS S-ONE HG FDE APAR700312M29

$542.99 $428.44
Picture of Aero Precision M4E1 5.56 ASSEM UPPER GOVT 11.5'' BBL CARBINE THREADED FDE APAR700712M29

Aero Precision M4E1 5.56 ASSEM UPPER GOVT 11.5'' BBL CARBINE THREADED FDE APAR700712M29

$542.99 $428.44
Picture of Griffin Armament MK1 PATROL 14.5 UPPER RECEIVER 5.56MM BLACK MK1PATROLU

Griffin Armament MK1 PATROL 14.5 UPPER RECEIVER 5.56MM BLACK MK1PATROLU

$1,398.99 $1,102.65
Picture of Bushmaster M4 Flat Top AR15 Complete Upper Assembly - Black | 5.56NATO | 16" Barrel | A2 Handguard | A2 Flash Hider 00-40008-BLK 0040008BLK

Bushmaster M4 Flat Top AR15 Complete Upper Assembly - Black | 5.56NATO | 16" Barrel | A2 Handguard | A2 Flash Hider 00-40008-BLK 0040008BLK

$686.95 $486.74
Picture of Brownells UPPER RECEIVER BLACK BRN-16A1 M16A1

Brownells UPPER RECEIVER BLACK BRN-16A1 M16A1

$164.99 $130.32
Picture of Brownells AR-15 16'' M4 UPPER ASSY 5.56 NO BCG/CHARGING HANDLE 52076

Brownells AR-15 16'' M4 UPPER ASSY 5.56 NO BCG/CHARGING HANDLE 52076

$528.99 $417.21
HOT DEAL 10% OFF Picture of ATI Mil-Sport Upper Complete 450 Bushmaster 16" Black Nitride Barrel/7075-T6 Aluminum Black Anodized Receiver 15" M-LOK Handguard for AR-15 ATI15MS450BM

ATI Mil-Sport Upper Complete 450 Bushmaster 16" Black Nitride Barrel/7075-T6 Aluminum Black Anodized Receiver 15" M-LOK Handguard for AR-15 ATI15MS450BM

$364.52 $329.23
Picture of ATI Milsport Complete Upper 5.56mm 7.5" Barrel 1:8 Twist 7" MLOK C-CLAMP w/Bolt Carrier Group and Charging Handle ATI15MS556ML7CC

ATI Milsport Complete Upper 5.56mm 7.5" Barrel 1:8 Twist 7" MLOK C-CLAMP w/Bolt Carrier Group and Charging Handle ATI15MS556ML7CC

$330.00 $193.16
Picture of Brownells M16 LIGHTWEIGHT BOLT CARRIER GROUP TIN CRC556-LW-022

Brownells M16 LIGHTWEIGHT BOLT CARRIER GROUP TIN CRC556-LW-022

$239.99 $132.66
Picture of Brownells M16 TITANIUM BOLT CARRIER GROUP 5.56X45MM DLC MP TOOAUTO-013TI

Brownells M16 TITANIUM BOLT CARRIER GROUP 5.56X45MM DLC MP TOOAUTO-013TI

$349.99 $195.13
Picture of BRN-180 GEN 2 SPORT COMPLETE UPPER RECEIVER ASSEMBLY 050806113732

BRN-180 GEN 2 SPORT COMPLETE UPPER RECEIVER ASSEMBLY 050806113732

$1,152.99 $909.11
Picture of BRN-180~ GEN 2 COMPLETE UPPER RECEIVER ASSEMBLY 050806113671

BRN-180~ GEN 2 COMPLETE UPPER RECEIVER ASSEMBLY 050806113671

$1,075.99 $848.52
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