Upper Receiver

The upper receiver houses the barrel, bolt carrier group, and charging handle, and attaches to the lower receiver via the pivot and takedown pins. While not serialized (and thus not regulated as a firearm), the upper receiver's quality directly impacts accuracy and reliability.

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Ar-15 Complete Upper Receiver .223 Wylde - 223 Wylde Complete Upper Receiver Black Nitride
Ar-15 Complete Upper Receiver .223 Wylde - 223 Wylde Complete Upper Re…
Bundle
Primary Weapons
$559.00 In Stock
AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
Bundle
Primary Weapons
$1937.65 In Stock
AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDe M-LOK
AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDe M-LOK
Bundle
Primary Weapons
$644.99 In Stock
AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
Primary Weapons
$1635.00
AR-15 MK1 MOD 1-M Upper Receiver Assembly 223 Wylde M-LOK
AR-15 MK1 MOD 1-M Upper Receiver Assembly 223 Wylde M-LOK
Bundle
Primary Weapons
$379.00
AR-15 MK1 MOD 1-M Upper Receiver Assembly 223 Wylde M-LOK
AR-15 MK1 MOD 1-M Upper Receiver Assembly 223 Wylde M-LOK
Bundle
Primary Weapons
$375.99 In Stock
AR-15 MK1 MOD 1-M Upper Receiver Assembly 223 Wylde M-LOK
AR-15 MK1 MOD 1-M Upper Receiver Assembly 223 Wylde M-LOK
Bundle
Primary Weapons
$229.99 In Stock
AR-15 MK1 MOD 1-M Upper Receiver Assembly 300 Blackout M-LOK
AR-15 MK1 MOD 1-M Upper Receiver Assembly 300 Blackout M-LOK
Bundle
Primary Weapons 25 oz
$1029.49 In Stock
Mk107 Mod 1-M 223 Wylde Complete Upper Receiver
Mk107 Mod 1-M 223 Wylde Complete Upper Receiver
Bundle
Primary Weapons 18.8 oz
$1029.49 In Stock
MK107 MOD 2-M 7.62x39 Complete AR-15 Upper - 3-Setting Adjustable Gas System - 7.75in
MK107 MOD 2-M 7.62x39 Complete AR-15 Upper - 3-Setting Adjustable Gas…
Bundle
Primary Weapons
$1299.95 In Stock
MK109 MOD 2-M 300 AAC Blackout Complete Upper Receiver
MK109 MOD 2-M 300 AAC Blackout Complete Upper Receiver
Bundle
Primary Weapons 32 oz
$1299.95 In Stock
MK111 MOD 2-M 223 Wylde Complete Upper Receiver
MK111 MOD 2-M 223 Wylde Complete Upper Receiver
Bundle
Primary Weapons 50 oz
$1299.95 In Stock
Mk111 Mod 2-M 223 Wylde Complete Upper Receiver 11.85" Bbl
Mk111 Mod 2-M 223 Wylde Complete Upper Receiver 11.85" Bbl
Bundle
Primary Weapons
$1299.99 In Stock
MK111 PRO 223 Wylde Complete Upper Receiver
MK111 PRO 223 Wylde Complete Upper Receiver
Bundle
Primary Weapons 66 oz
$799.95 In Stock
MK116 MOD 1-M 7.62x39mm Complete Upper Receiver
MK116 MOD 1-M 7.62x39mm Complete Upper Receiver
Bundle
Primary Weapons 65 oz
$1039.75 In Stock
MK116 MOD 1-M 7.62x39mm Complete Upper Receiver
MK116 MOD 1-M 7.62x39mm Complete Upper Receiver
Bundle
Primary Weapons 65 oz
$1029.49 In Stock
MK116 MOD 2-M 223 Wylde Complete Upper Receiver
MK116 MOD 2-M 223 Wylde Complete Upper Receiver
Bundle
Primary Weapons 4.8 oz
$1299.95 In Stock
MK116 MOD 2-M 223 Wylde Complete Upper Receiver
MK116 MOD 2-M 223 Wylde Complete Upper Receiver
Bundle
Primary Weapons 4.8 oz
$1299.95 In Stock
MK116 MOD 2-M 7.62x39mm Complete Upper Receiver
MK116 MOD 2-M 7.62x39mm Complete Upper Receiver
Bundle
Primary Weapons 76.8 oz
$1299.95 In Stock
MK116 MOD 2-M 7.62x39mm Complete Upper Receiver
MK116 MOD 2-M 7.62x39mm Complete Upper Receiver
Bundle
Primary Weapons 76.8 oz
$1399.95 In Stock
PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
PRIMARY WEAPONS - AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE…
Bundle
Primary Weapons
$1029.49 In Stock
PRIMARY WEAPONS AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
PRIMARY WEAPONS AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-…
Bundle
Primary Weapons
$999.95 In Stock
PRIMARY WEAPONS AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK
PRIMARY WEAPONS AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-…
Bundle
Primary Weapons
$964.99 In Stock
PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER
PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE…
Bundle
Primary Weapons 72 oz
$1068.15 In Stock
PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER
PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE…
Bundle
Primary Weapons
$1299.95
PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER
PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE…
Bundle
Primary Weapons
$549.99
Primary Weapons MK114 Mod 2-M .223 Wylde 14.5" Anodized PWS Long Stroke Piston Upper
Primary Weapons MK114 Mod 2-M .223 Wylde 14.5" Anodized PWS Long Strok…
Primary Weapons 76.4 oz
$1299.95 In Stock
PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
Bundle
Primary Weapons 8.5 oz
$974.96 In Stock
PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
Bundle
Primary Weapons
$974.96 In Stock
Primary Weapons MK116 MOD 1-M 223 Wylde 16.1 Upper Receiver - MK1-M1U-223-16
Primary Weapons MK116 MOD 1-M 223 Wylde 16.1 Upper Receiver - MK1-M1U-…
Bundle
Primary Weapons 16 oz
$1049.95 In Stock
Primary Weapons MK116 MOD 1-M Upper 223 Wylde 16.1 LS FRC
Primary Weapons MK116 MOD 1-M Upper 223 Wylde 16.1 LS FRC
Primary Weapons 82.72 oz
$1029.49
Primary Weapons MK116 MOD 2-M Upper 7.62x39 AR-15 16.1 LS FRC
Primary Weapons MK116 MOD 2-M Upper 7.62x39 AR-15 16.1 LS FRC
Bundle
Primary Weapons 80 oz
$1299.95 In Stock
Primary Weapons MK118 MOD 2-M Upper 6ARC 18 LS Threaded
Primary Weapons MK118 MOD 2-M Upper 6ARC 18 LS Threaded
Bundle
Primary Weapons 89.52 oz
$1299.95 In Stock
Primary Weapons Systems MK111 MOD 1-M, 7.62x39mm, 11.85in Upper Receiver
Primary Weapons Systems MK111 MOD 1-M, 7.62x39mm, 11.85in Upper Receiv…
Bundle
Primary Weapons 64 oz
$1129.95 In Stock
Primary Weapons Systems MK111 Pro Upper 223 Wylde 556NATO 11.85in Black MLOK AR-15 Upper
Primary Weapons Systems MK111 Pro Upper 223 Wylde 556NATO 11.85in Blac…
Primary Weapons
$749.99
Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver
Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Rec…
Bundle
Primary Weapons 73.6 oz
$1049.95 In Stock
PRIMARY WEAPONS SYSTEMS MK116 Pro Upper 223 Wylde/5.56 16.1" Black
PRIMARY WEAPONS SYSTEMS MK116 Pro Upper 223 Wylde/5.56 16.1" Black
Primary Weapons
$577.99 In Stock
PRIMARY WEAPONS - UXR 223 WYLDE CONVERSION KIT
PRIMARY WEAPONS - UXR 223 WYLDE CONVERSION KIT
Bundle
Primary Weapons 22 oz
$499.95 In Stock
Primary Weapons UXR Elite 14.50" 30 Round 8.6 Blackout Semi Auto Rifle
Primary Weapons UXR Elite 14.50" 30 Round 8.6 Blackout Semi Auto Rifle
Complete Firearm Bundle
Primary Weapons
$2499.95 In Stock
Primary Weapons UXR Elite Rifle System 308 Winchester 16" Semi-Auto Rifle
Primary Weapons UXR Elite Rifle System 308 Winchester 16" Semi-Auto Ri…
Complete Firearm Bundle
Primary Weapons
$2499.95 In Stock
PWS AR-15 MK109 MOD 1-M Upper Receiver Assembly 300 Blackout 9.75" Barrel Long Stroke Piston
PWS AR-15 MK109 MOD 1-M Upper Receiver Assembly 300 Blackout 9.75" Bar…
Bundle
Primary Weapons
$1129.95 In Stock
PWS AR-15 MK109 MOD 2-M Complete Upper Receiver 300 Blackout 9.75" Barrel Long Stroke Piston
PWS AR-15 MK109 MOD 2-M Complete Upper Receiver 300 Blackout 9.75" Bar…
Bundle
Primary Weapons
$1299.95 In Stock
PWS AR-15 MK111 MOD 1-M Upper Receiver Assembly 223 Wylde 11.85" Barrel Long Stroke Piston
PWS AR-15 MK111 MOD 1-M Upper Receiver Assembly 223 Wylde 11.85" Barre…
Bundle
Primary Weapons 72.8 oz
$1049.95 In Stock
PWS AR-15 MK114 MOD 1-M Complete Upper Receiver 6mm ARC 14.5" Barrel Long Stroke Piston
PWS AR-15 MK114 MOD 1-M Complete Upper Receiver 6mm ARC 14.5" Barrel L…
Bundle
Primary Weapons
$1129.95 In Stock
PWS AR-15 MK114 MOD 1-M Upper Receiver Assembly 223 Wylde 14.5" Barrel Pinned FRC Compensator
PWS AR-15 MK114 MOD 1-M Upper Receiver Assembly 223 Wylde 14.5" Barrel…
Bundle
Primary Weapons
$1129.95 In Stock
PWS AR-15 MK114 MOD 2-M Complete Upper Receiver 6mm ARC 14.5 Barrel Long Stroke Piston
PWS AR-15 MK114 MOD 2-M Complete Upper Receiver 6mm ARC 14.5 Barrel Lo…
Bundle
Primary Weapons
$1399.95 In Stock
PWS AR-15 MK114 MOD 2-M Long Stroke Gas Piston Complete Upper Receiver 223 Wylde 14.5" Barrel M-LOK Pinned
PWS AR-15 MK114 MOD 2-M Long Stroke Gas Piston Complete Upper Receiver…
Bundle
Primary Weapons
$1299.95 In Stock
PWS AR-15 MK118 MOD 1-M Complete Upper Receiver 223 Wylde 18\" Barrel Long Stroke Piston
PWS AR-15 MK118 MOD 1-M Complete Upper Receiver 223 Wylde 18\" Barrel…
Bundle
Primary Weapons
$1129.95 In Stock
PWS AR-15 MK118 MOD 1-M Complete Upper Receiver 6mm ARC 18" Barrel Long Stroke Piston
PWS AR-15 MK118 MOD 1-M Complete Upper Receiver 6mm ARC 18" Barrel Lon…
Bundle
Primary Weapons
$1129.95 In Stock
PWS AR-15 MK118 MOD 2-M Complete Upper Receiver 6mm ARC 18 Barrel Long Stroke Piston
PWS AR-15 MK118 MOD 2-M Complete Upper Receiver 6mm ARC 18 Barrel Long…
Bundle
Primary Weapons
$1334.79 In Stock
PWS MK111 MOD 2-M Upper Receiver (Complete Upper) 7.62x39mm 11.85" Barrel
PWS MK111 MOD 2-M Upper Receiver (Complete Upper) 7.62x39mm 11.85" Bar…
Bundle
Primary Weapons
$1399.95 In Stock
PWS MK114 MOD 1-M Long Stroke AR-15 Complete Upper Receiver 223 Wylde 14.5\" Barrel
PWS MK114 MOD 1-M Long Stroke AR-15 Complete Upper Receiver 223 Wylde…
Bundle
Primary Weapons 73.6 oz
$1029.49 In Stock
PWS MK2 MOD 1-M Upper Receiver 308 Win
PWS MK2 MOD 1-M Upper Receiver 308 Win
Bundle
Primary Weapons 16 oz
$1937.65 In Stock
PWS U2E14RB11-1F UXR Elite Rifle 300 Blackout 14.5
PWS U2E14RB11-1F UXR Elite Rifle 300 Blackout 14.5
Complete Firearm Bundle
Primary Weapons
$2249.99 In Stock
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