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Bushmaster M4A3 Patrolman's 223 Remington 5.56x45mm NATO 16" M4 Barrel 1:9 Twist Flat Top Carbine Complete Upper Receiver

Product SKU # :TS91822 |  MPN: 91822  | UPC # :
Bushmaster M4A3 Patrolman's Complete Upper 223 Rem/556 16" M4 Brl
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Product Information
Bushmaster M4A3 Complete Upper Receiver 223/5.56         

UPC: 604206918222

Specifications and Features:



Bushmaster M4A3 Upper Assembly
.223 Remington/5.56 NATO
16" M4 chrome lined barrel with permanently attached "izzy" muzzle brake
1:9" twist
Flat Top receiver
Two Piece plastic handguards
7075 T6 aircraft grade aluminum
Manganese phosphate coated
Hard anodized mil-spec finish

Shipping with FedEx Ground


FREE Shipping on Bulk Ammo, Firearms & More!

Target Sports USA always offers free shipping on bulk ammo & firearms!

How Will My Order Ship?

Target Sports USA will ship your order via UPS Ground.

Discreet Packaging

All orders ship in a discreet unmarked box with your order enclosed at no additional charge.

Shipping Firearms

Handguns ship 2nd Day Air & long guns ship Ground. All firearms must be shipped to an FFL Dealer for NICS check & transfer. Please note: firearms transfers are subject to an additional fee set by the dealer.

Shipping Insurance

Target Sports USA offers shipping insurance on every order in order to ensure proper and safe delivery. The entire purchase price of the damages or lost merchandise is covered.
Due to the unique nature of the product we sell, we only accept returns and apply shipping insurance if the actual cartridges are damaged within transit. Superficial damage to packaging does not qualify for a return, insurance claim or discount.
Example: Dented corners on packaging, scratches or dents on ammo cans or cracks within plastic packaging would not qualify for a return and would not be covered under the shipping insurance.

Order Cancellation

You can cancel your order up until the package is scanned and a tracking number is available. After that time, we are unable to cancel your order.

Incorrect Shipping Address

If you have supplied an incorrect shipping address & call prior to shipment, we can correct the address at no charge. If your order has been shipped, an address change fee of $15.00 per package will be added. If You Refuse Delivery, a 10% restocking fee will be charged.


Due to legal and safety regulations, ammunition sales are final and do not qualify for a return.


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Manufacturer Details

Bushmaster |
BushMaster Firearms was founded in 1973 and has its headquarters in Madison North Carolina. They are a producer of firearms for hunting, recreation, competition and home defense, and accessories for the most popular rifle platforms today. Their top selling products are Magazine AR-15 223 Remington 30 Round, AR-15 Lost Parts Kit and AR-15 Complete Lower Receiver Parts Kit. Target Sports USA carries Bushmaster Firearms products for sale online with best selection to choose from.

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HomeSPECIALS & AMMO DEALS → Bushmaster M4A3 Patrolman's 223 Remington 5.56x45mm NATO 16" M4 Barrel 1:9 Twist Flat Top Carbine Complete Upper Receiver