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RTB BCG Upper Build Kit - RTB M16 Black Nitride Bolt Carrier Group with Anodized Upper Receiver and Mil Spec Charging Handle

MSRP: $313.98

SALE PRICE: $127.95

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RTB Upper Build Kit 16" 5.56 - FDE | A2 | 15" M-LOK | With BCG & CH

MSRP: $549.95

SALE PRICE: $332.95

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RTB Upper Build Kit 16" 5.56 - Black | A2 | 15" M-LOK | With BCG & CH

MSRP: $528.95

SALE PRICE: $308.95

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RTB Upper Build Kit 16" 5.56 Upper Receiver - Tungsten | A2 | 15" M-LOK | With BCG & CH

MSRP: $544.95

SALE PRICE: $343.95

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RTB Upper Build Kit 16" 5.56 - Sniper Gray | A2 | 15" M-LOK | With BCG & CH

MSRP: $549.95

SALE PRICE: $350.95

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Right To Bear 16" 5.56 M4 Barrel + A2 Stripped Upper Receiver - Black

MSRP: $350.00

SALE PRICE: $184.95

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Right To Bear Nickel Teflon Upper Build Kit with Mil Spec BCG & Charging Handle

MSRP: $274.99

SALE PRICE: $164.95

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Our wide-ranging supply of AR15 parts for sale caters to gun enthusiasts who follow the first rule of gun safety: keeping firearms in good working condition. These parts are for magazine-fed rifles include mil-spec AR parts, AR parts for upper receivers, battle sights, ambidextrous charging handles and internal hardware to keep rifles accurate and safe.

Choosing parts and accessories for firearm enthusiasts can be difficult for friends and family members who aren't familiar with guns and ammunition or the recipient's preferences. However, spare parts for an Armalite rifle make great gifts for any occasion -- such as a Veterans Day AR15 upgrade or holiday AR15 parts for upper or lower receivers. We carry parts, conversion kits and accessories from top manufacturers including Spikes Tactical, BCM, Odin, Fortis, SLR Rifleworks, CMMG, Troy, Seekins and Ballistic Advantage.