CMMG 14.5" M4A1 SOCOM w/ permanent phantom flash hider
 
Mil-spec certified 4150 chrome-moly vanadium steel M4 contour barrel, 1/7 twist, 5.56x45 NATO chamber, Hard chrome lined chamber ...

Price: $599.95 ea

CMMG 16" Mid-Length Upper
 
This upper comes with mid-length handguards and is complete with bolt, carrier and charging handle
 

Price: $547.15 ea

A3 Complete Upper Receiver

Made from forged 7075-T6 aluminum to Mil. Specs, features extended M4 feed ramps, forward assist, "T" Markings, and dust cover assembly.

Price: $109.95 ea

DSA Inc. Stripped A3 Flat Top Upper Receiver
This forged 7075-T6 A3 AR upper is made to MIL-SPECS and hardcoat anodized black for durability
 

Price: $79.95 ea

AR57 PDW Upper - 11" Pistol/SBR Complete Upper Half

Converts your AR lower to fire FN's 5.7X28mm round

Price: $695.99 ea

CMMG 14.5" M4 upper w/Permanent Phantom 5C2 Flash Hider
 
Permanent hider brings overall barrel length to legal 16". This upper comes with M4 handguards and is complete with bolt, carrier and charging handle.

CMMG 16" M4 Upper

This upper comes with M4 hand-guards and is complete with bolt, carrier and charging handle.

CMMG 14.7" M4 Upper w/Permanent Hider
 
Permanent hider brings overall barrel length to legal 16"