PMA 16” 5.56 Upper
Receiver 15” Ultralite MLOK Handguard EXTMFR#: PMA16N55615CHKEXT
Barrel: 16" 4150V Chrome Moly Vanadium steel,
nitride treated for durability and accuracy, and chambered in 5.56 NATO with a
1 in 8" twist. SOCOM Profile. Each barrel is dimpled to ensure perfect gas
block alignment and durability under stress. Our nitrided steel low profile gas
blocks are then installed using locktite 271 and finished with a PMA EXT
(extended) Flash Hider.
Handguard: PMA 15" Ultralite M-LOK Rail.
Manufactured from 6061-T6 aluminum extrusions right here in the USA. They are
then anodized to match the uppers.