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16" 5.56 Upper Receiver 13.5" MLOK Rail BCG - Blem

Product Code: URG-PMA-FOR-B13-556-016-T18-A2F-BCG Blem
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Build at home

Build at home

American made product

American made

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100% satisfaction


PMA 16" 5.56 AR15 Upper Receiver 13" MLOK Handguard


MFR#: 16556NBN135MLOK-Blem

These are listed at a discount due to a very slight color mismatch between the Upper and the Handguard


Barrel Length:

Barrel Profile: Government

Gas System: Mid Length

Barrel Steel: 4150 CrMoV

Barrel Finish: QPQ Nitride

Chrome Lining: No

Muzzle Thread: 1/2x28

Chamber: 5.56

Twist Rate: 1:7

Barrel Extension: M4

Diameter at Gas Block: .750

Gas Block Type: Low-profile

Muzzle Device: A2 Flash Hider

Receiver Material: Forged 7075 T6 Aluminum

Receiver Type: A3

Handguard Type: PMA 13" MLOK Rail

BCG: M16 / Auto Profile 9310 Bolt with QPQ Nitride Finish

Charging Handle: 7075-T6 AR-15 MILSPEC 



: PMA 16" 4150V Chrome Moly Vanadium steel, Nitride treated for durability and accuracy, and chambered in 5.56 NATO with a 1 in 7" twist. 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 A2 Flash Hider.


Handguard: PMA 13" M-LOK Rail. Manufactured from 6061-T6 aluminum extrusions right here in the USA. They are then anodized to match the uppers.


Upper: PMA Forged 7075-T6 A3 AR upper receiver is made to meet MILSPECs and finished in hard coat type III anodized black for durability. These uppers are made for us right here in the USA.