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Model 8HT (Piston)

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Product Description

Product Details

The gas piston system of this upper half runs cooler and cleaner than direct impingement gas systems.

This product is currently on indefinite backorder due to raw material availability.

Product Specs

Action: Semi-auto gas piston

Chamber: 5.56 NATO - this rifle will also shoot .223

Twist Rate: 1/9 button rifled

Muzzle Device: A2 flash hider (Stag Arms Compensator on post ban models)

Barrel: 16", 4140 steel, chrome lined, government profile, manganese phosphate coated

Handguard: Freefloat Diamondhead VRS-T handguard

Upper Receiver: Forged and mil-spec 7075 T6 aluminum with type 3 hard coat anodizing and a picatinny rail on top

Bolt Carrier: Piston bolt carrier with a manganese phosphate coating

Charging Handle: Standard mil-spec

Front Sight: Diamondhead low profile front flip up sight

Rear Sight: Diamondhead low profile rear flip up sight

Product FAQ

Q: What is the warranty coverage for this upper half?

A: All of our upper halves have a one year warranty.

Q: What types of rail attachments can be installed on the handguard?

A: Only Diamondhead rail sections will work with the handguard.

Q: What benefits does the plus package offer?

A: The plus package upgrades the barrel to 1/7 twist 4150 steel, and the semi auto bolt carrier to an M16 bolt carrier.  The bolt and barrel are HP/MP tested.


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