AR Parts

Compare ar parts prices from top retailers. Find the best deals across all major brands.

Top AR Parts Brands

Guntec USA 1,091 Palmetto State Armory 826 Aero Precision 796 CMMG 535 Tiger Rock 387 TacFire 359

AR Parts Calibers

5.56x45mm NATO 5,504 223 Remington 2,390 308 Winchester 1,768 300 Blackout 1,032 9mm Luger 971 223 Wylde 760

All AR Parts Products (26,274 results)

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MSRP

Lewis Machine and Tool

Lewis Machine And Tool Chrome Lined 5.56 AR-15 Barrel With A2 Front Sight Gas Block - Carbine - M4 - 10.5"

$451.80

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Chrome Lined 5.56 AR-15 Barrel With A2 Front Sight Gas Block - Carbine - M4 - 14.5"

$428.40

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Tactical AR-15 Ambidextrous Charging Handle

$100.35

● Availability Unknown

Lewis Machine and Tool

Lewis Machine And Tool AR-15 Lower Parts Kit - 2 Stage Trigger

Price unavailable

● Out of Stock

MSRP

Lewis Machine and Tool

Lewis Machine And Tool 308 Bolt Carrier Group

$575.10

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool AR-10 Ambidextrous Charging Handle

$150.30

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool MWS Lightweight .308 Chrome Lined Barrel with A2 Flash Hider - 13.5"

$727.20

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Ambidextrous AR-15 Magazine Release - MARS-L & MARS-H

$22.32

● Availability Unknown

MSRP

Forward Controls Design

Forward Controls Design Low Drag Forward Assist - Dimpled - FDE

$49.52

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Monolithic MRP-L Shovelnose Assembled AR-15 Upper Receiver - 11.5"

$940.50

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Monolithic MRP-L Specwar Assembled AR-15 Upper Receiver - 11.5"

$940.50

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool MRP-L Stripped AR-15 Upper Receiver - 9.25" - M-LOK Grenadier Handguard

$940.50

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool MRP-L Stripped AR-15 Upper Receiver - 9.25" - M-LOK Handguard

$940.50

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool MRP Chrome Lined 5.56 AR-15 Barrel - Rifle Length - Medium - 20"

$554.40

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Full Auto Piston Bolt Carrier Assembly - Gen 2 - 5.56

$261.45

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Enhanced M16 Bolt Carrier - Parkerized

$221.85

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Monolithic MRP-L PDW Assembled AR-15 Upper Receiver - 7.25"

$890.10

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool MRP Chrome Lined 5.56 AR-15 Barrel - Mid-Length - Medium - 14.5"

$554.40

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool MRP Chrome Lined 5.56 AR-15 Piston Barrel - Carbine - Medium - 14.5"

$716.85

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Piston Gen 2 5.56 AR-15 Bolt Carrier Group - Phosphate

$425.70

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool M4 Assembled AR-15 Upper Receiver

$211.50

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Defense Semi-Auto G2 5.56 AR-15 Bolt Carrier Group - Chrome

$440.10

● Availability Unknown

MSRP

Lewis Machine and Tool

Lewis Machine And Tool Defense Semi-Auto 5.56 AR-15 Bolt Carrier Group - Phosphate

$249.75

● Availability Unknown

MSRP

KNS Precision

KNS Precision AR-15 Buffer Retainer Pin - Black Nitride

$1.70

● Availability Unknown