M4 barreled upper assembly is complete and ready to snap onto your lower. Sixteen inch M4 profile barrel is chrome lined and machined from 4150 Chrome Moly Vanadium steel - rifled 1 x 9 inch right hand twist. A2 Flash Suppressor and standard A2 front sight are fitted. Machined aluminum flat top upper receiver is complete with bolt carrier assembly, forward assist, ejection port cover.
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WINDHAM WEAPONRY MPC 16IN BAN COMPLIANT M4 PROF
$514.99
4 interest-free payments of $128.75 with 
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Flat Rate
$13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees.
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