Cast carry handles will not have forge marks and also have cast marks like the ones pictured below. The NcStar Detachable Carry Handle fits most any flattop AR-15 upper receivers and comes complete with an A2 style rear sight with large and small aperture.

These come factory new either as ordered parts from FN, or. Generally identical to Colt or LMT, usually square forge mark (Brass Aluminum Co.). The carrying handles have various forging marks depending on the subcontractor that supplied them to FN.

Add a carry handle to your flat-top tactical rifle for maximum versatility. Factroy new removable carrying handle rear sight assembly. If the carry handle does not have a forge mark, it is cast aluminum, containing some inferior parts (aluminum elevation/windage knobs instead of steel for example), the knobs used to secure the handle to the upper will be poorly staked or not staked at all, and because it is cast not forged aluinum, a much weaker part. Detachable Carry Handle with A2 Rear Sight AR-15 MSRP: 49.99 Description. (square) = Brass Aluminum Forging Enterprises Here is a list of the most current I can remember at the moment: There a number of founderies with their own forge mark.

A2 carry handle