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BUSHMASTER AR-15 .223/5.56 UPPER ASSEMBLY, M4 FLAT TOP A2 FSB, 16" CHROME-LINED (91823)
Bushmaster 5.56 NATO XM15 Upper Assembly, 16" chrome-lined, M4 flat top receiver with A2 FSB (91823)
Bushmaster 5.56 NATO XM15 Upper Assembly, 16" chrome-lined, M4 flat top receiver with A2 FSB (91823)


 
List Price: $595.99
Our Price: $423.70
Savings: $172.29
LEFT IN STOCK: 16
Ships from warehouse B: Free ship

Stock Status:In Stock
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Description Technical Specs
 
This Bushmaster M4A3 Upper Assembly comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly It features a Picatinny rail equipped flat top upper receiver, 16" M4 profile barrel, standard handguard and an A2 front sight post with bayonet lug. With a 1-9" twist, the 16" chrome lined barrel provides outstanding accuracy that has been enjoyed by competition shooters worldwide. Pre-ban style upper includes a bayonet lug and flash hider. It would be a great choice for anyone wanting to build a "traditional" styled AR-15. If you're looking for top quality at an economical price, you can always count on Bushmaster.

Features
Chamber: 5.56x45mm NATO (accepts .223 Remington)
Upper Receiver Type: A3 Flat-Top
Barrel Length: 16"
Barrel Contour: Lightweight
Barrel Material: 4140 Chrome Moly Steel
Muzzle Thread Pattern: 1/2" -28
Chrome Lined: Yes
Barrel Finish: Parkerized
Twist Rate: 1 in 9"
M4 Feed Ramps: Yes
Muzzle Device: A2 Flash Hider
Gas System Length: Carbine
Gas Block Diameter: 0.750"
Handguard: A2 Style
Sights: A2 Front
Bolt Carrier Assembly Included: Yes
Bolt Carrier Type: Commercial
Forward Assist: Yes
Part No. 91823
UPC: 604206918239

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