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5.56x45 16-17" Rifle Parts

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Aero Precision M4E1 Assembled AR 15 Upper Receiver 5.56x45mm Mid-Length 16" Mid Length Barrel EM-15 Gen 2 M-LOK Handguard Anodized Black - APAR640251M7

Aero Precision M4E1 Assembled AR 15 Upper Receiver 5.56x45mm Mid-Length 16" Mid Length Barrel EM-15 Gen 2 M-LOK Handguard Anodized Black - APAR640251M7

$519 99 $589.99
In Stock
Only 2 Left!
Aero Precision AR15 16" 5.56 Mid-Length Gov Complete Upper with 13.5" Slimline Handguard - OD Green Anodized - APSL100745

Aero Precision AR15 16" 5.56 Mid-Length Gov Complete Upper with 13.5" Slimline Handguard - OD Green Anodized - APSL100745

$369 99 $514.99
In Stock
Only 2 Left!
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length QPQ No Forward Assist Complete Upper with 13.5" Slimline Handguard - Kodiak Brown Anodized - APSL100765

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length QPQ No Forward Assist Complete Upper with 13.5" Slimline Handguard - Kodiak Brown Anodized - APSL100765

$449 99 $539.99
In Stock
Only 6 Left!
Aero Precision AR15 16" 5.56 Carbine-Length M4 QPQ Barrel Complete Upper 13.5" Slimline Handguard - Left Handed - Anodized Black - APSL100707

Aero Precision AR15 16" 5.56 Carbine-Length M4 QPQ Barrel Complete Upper 13.5" Slimline Handguard - Left Handed - Anodized Black - APSL100707

$399 99 $499.99
In Stock
Only 4 Left!
Aero Precision AR15 16" 5.56 Carbine-Length M4 CHM/PH Barrel Complete Upper 13" Slimline Handguard Left Handed - Anodized Black - APSL100709

Aero Precision AR15 16" 5.56 Carbine-Length M4 CHM/PH Barrel Complete Upper 13" Slimline Handguard Left Handed - Anodized Black - APSL100709

$449 99 $549.99
In Stock
Only 4 Left!
Aero Precision M4E1 15" ATLAS R-ONE M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR700705M97

Aero Precision M4E1 15" ATLAS R-ONE M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR700705M97

$389 99 $589.99
In Stock
Only 3 Left!
Aero Precision M4E1 15" ATLAS S-ONE M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR700105M97

Aero Precision M4E1 15" ATLAS S-ONE M-LOK Complete Upper, 16" 5.56 HBAR CMV Mid-Length Barrel - Anodized Black - APAR700105M97
$389 99 $589.99
In Stock
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Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, M4 Handguard (Includes Bolt Carrier Group & Charging Handle) - Anodized Black - APAR505731

Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, M4 Handguard (Includes Bolt Carrier Group & Charging Handle) - Anodized Black - APAR505731
$399 99 $574.99
In Stock
Only 1 Left!
Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M6

Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M6

$419 99 $614.99
In Stock
Only 1 Left!
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M7

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver with 15" ATLAS S-ONE Handguard - Cerakote FDE - APAR700315M7

$379 99 $624.99
In Stock
Only 2 Left!
Aero Precision M4E1 Enhanced 16" 5.56 Mid-Length No Forward Assist Complete Upper Receiver w/ 15" M-LOK Handguard - Cerakote FDE - APAR612294M7

Aero Precision M4E1 Enhanced 16" 5.56 Mid-Length No Forward Assist Complete Upper Receiver w/ 15" M-LOK Handguard - Cerakote FDE - APAR612294M7
$379 99 $609.99
In Stock
Only 2 Left!
Aero Precision AR15 16" 5.56 Mid-Length HBAR Complete Upper w/ 15" M-LOK ATLAS S-ONE Handguards - Anodized Black - APSL100719

Aero Precision AR15 16" 5.56 Mid-Length HBAR Complete Upper w/ 15" M-LOK ATLAS S-ONE Handguards - Anodized Black - APSL100719

$399 99 $549.99
In Stock
Only 5 Left!
Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine - Anodized Black - APAR502505M64

Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB, MOE SL Carbine - Anodized Black - APAR502505M64
$269 99 $409.99
In Stock
Only 4 Left!
Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700705M6

Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver with ATLAS R-ONE Handguard - Anodized Black - APAR700705M6

$389 99 $579.99
In Stock
Only 5 Left!
Aero Precision M4E1 Enhanced 16" 5.56 M4 CMV Carbine Barrel Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M6

Aero Precision M4E1 Enhanced 16" 5.56 M4 CMV Carbine Barrel Complete Upper Receiver with 15" Enhanced M-LOK Handguard - Anodized Black - APAR640251M6
$419 99 $579.99
In Stock
Only 2 Left!
Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, MOE Mid-Length - FDE - APAR502504M65

Aero Precision AR15 Complete Upper, 16" 5.56 Mid-Length Barrel with Pinned FSB, MOE Mid-Length - FDE - APAR502504M65
$299 99 $414.99
In Stock
Only 4 Left!
Aero Precision AR15 16" 5.56 Mid-Length Complete Upper with 15" ATLAS S-ONE Handguard - Anodized Black - APSL100734

Aero Precision AR15 16" 5.56 Mid-Length Complete Upper with 15" ATLAS S-ONE Handguard - Anodized Black - APSL100734

$399 99 $549.99
In Stock
Only 3 Left!
Patriot Ordnance Factory 01988 P415 Complete Upper (Piston Driven Adj. Gas Block) 5.56x45mm NATO 16.50", OD Green Anodized, 3-Port Muzzle Brake, 14.50" MMR M-LOK Handguard

Patriot Ordnance Factory 01988 P415 Complete Upper (Piston Driven Adj. Gas Block) 5.56x45mm NATO 16.50", OD Green Anodized, 3-Port Muzzle Brake, 14.50" MMR M-LOK Handguard

$1394 52
In Stock
Only 2 Left!
Rock River Arms BB0470 LAR-15M Rrage 3G Complete Upper, 5.56x45mm NATO 16", Black, Aluminum Rec, 15" M-LOK Handguard, A2 Flash Hider, No Forward Assist

Rock River Arms BB0470 LAR-15M Rrage 3G Complete Upper, 5.56x45mm NATO 16", Black, Aluminum Rec, 15" M-LOK Handguard, A2 Flash Hider, No Forward Assist

$440 91
In Stock
Only 2 Left!
Aero Precision Threaded Complete Upper, 16" 5.56 HBAR Mid-Length Barrel with 15" ATLAS S-ONE M-LOK Handguard - FDE Cerakote - APAR700115M97

Aero Precision Threaded Complete Upper, 16" 5.56 HBAR Mid-Length Barrel with 15" ATLAS S-ONE M-LOK Handguard - FDE Cerakote - APAR700115M97

Out of Stock
Aero Precision M4E1 Complete Upper, 16" 5.56 Mid-Length Barrel with 15" Enhanced M-LOK Handguard, VG6 Epsilon 556, BREACH CH and 5.56 Black Nitride BCG - Anodized Black - APSL100425

Aero Precision M4E1 Complete Upper, 16" 5.56 Mid-Length Barrel with 15" Enhanced M-LOK Handguard, VG6 Epsilon 556, BREACH CH and 5.56 Black Nitride BCG - Anodized Black - APSL100425
Out of Stock
Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length Heavy QPQ Barrel & 15" ATLAS R-ONE M-LOK Handguard - OD Green Anodized - BLEM - APSL100479B

Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length Heavy QPQ Barrel & 15" ATLAS R-ONE M-LOK Handguard - OD Green Anodized - BLEM - APSL100479B

Out of Stock
Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length HBAR CHM/PH Barrel & Logic 15" M-LOK Handguard - Anodized Black - BLEM - APSL100469B

Aero Precision AR15 Complete Upper with 16" 5.56 Mid-Length HBAR CHM/PH Barrel & Logic 15" M-LOK Handguard - Anodized Black - BLEM - APSL100469B

Out of Stock
Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, Adjustable Gas Block, VG6 Gamma 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100414

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length Complete Upper with 15" ATLAS R-ONE, Adjustable Gas Block, VG6 Gamma 556, BREACH Charging Handle, 5.56 BCG - Anodized Black - APSL100414

Out of Stock
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