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CORE15 .223/5.56 AR-15 M4 FLAT TOP UPPER, A2 FSB (100276)
Core15 .223/5.56 M4 complete upper, flat top M4 Profile, Dual heatshield handguards, A2 FSB (100276)
Core15 .223/5.56 M4 complete upper, flat top M4 Profile, Dual heatshield handguards, A2 FSB (100276)


 
List Price: $569.99
Our Price: $478.41
Savings: $91.58
LEFT IN STOCK: 4
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Description Technical Specs
 
The Core 15 M4 16" upper receiver represents the result of Core Rifle Systems' attention to detail and quality parts to provide you with the best value to performance ratio on the market. This particular complete upper assembly is forged from 7075-T6 aluminum that is type III class II hard coat anodized finished with M4 feed ramps. The upper receiver is a flat top type with a built in 1913 picatinny rail complete with laser engraved T markings. The bolt assembly is magnetic particle inspected to ensure quality and the bolt carrier and key are also chrome lined stainless steel.

Features

CORE15™ Mil-Spec Forged 7075-T6 M-4 Upper Receiver, Type III Class II Hard-coat anodized finish, M4 Feed Ramps, (1913 Picatinny rail flat top) w/ dry lube internal finish and laser engraved T-markings
16” 4150 CMV Chrome Moly M4 Profile Chrome Lined Barrel 1:7 Twist
Chambered in .223/5.56 x 45 mm NATO
Direct Gas Impingement Gas System
Gas tube made of 304 grade Stainless Steel
Chrome lined Steel Bolt Carrier and Bolt Carrier Key
Magnetic Particle Inspected (MPI) Bolt Assembly
A-2 Flash Hider
M-4 Style Thermoset molded Polymer Hand Guards with Dual Heat Shields
A Frame Front Sight Base (Forged)
Manufacturers Lifetime Warranty
P/N: 100276
UPC: 608938410863

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