Timber Creek Outdoors ULE15HGR Ultralight Enforcer 15" Aluminum for AR-15
http://www.tandktactical.com/shop/816397024556-timber-creek-outdoors-ule15hgr-ultralight-enforcer-15-aluminum-for-ar-15-47804
http://www.tandktactical.com/web/image/product.template/47804/image_1920?unique=e520442
Requires low profile gas block, Two mil-spec 1913 picatinny rail sections
