AR-15

Complete Rifles

DPMS
Rock River Arms
Yankee Hill Machine Co., Inc.

Receivers, Lower

Rock River Arms

Receivers, Upper

Rock River Arms

Barrels

Yankee Hill Machine Co., Inc.

Gas Blocks

DPMS
Yankee Hill Machine Co., Inc.

Stocks

Rails & Mounts

DPMS
Yankee Hill Machine Co., Inc.

Sights

Muzzle Attachments

Yankee Hill Machine Co., Inc.

Magazines