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Forward Controls Design – Low Snag Forward Assist (LSFA) – Vertically Serrated


4 in stock

SKU: FCD-LSFA Categories: , ,


The advent of the ambidextrous charging handle, along with other ambidextrous controls, is a boon for AR15/M16 users, but it is not without unintended consequences.

  • Plunger Cap Pattern: Vertically Serrated

The forward assist rim is in the path of the user’s fingernail or knuckle if he uses the right handle of the charging handle to load/reload, the user can easily snag on the rim. Our solution is a rimless forward assist (LDFA), available since 2015. LDFA does away with the rim found on the A2 forward assist. As the FA isn’t an often used control, the design forgoes the surface area offered by the rim and deems the smaller footprint justified.

LSFA (Low Snag Forward Assist) is the result of the collaboration between FCD and HDSI. With Jordan’s input, the design incorporates attributes from both the LDFA and Mod2 forward assist. It has a smooth top and bottom to mitigate snagging, and increased plunger surface area, with its pad extending inward, towards the bore, creating a forward assist with the surface area Jim likes, and the low probability of snagging important to FCD. LSFA is a fusion of previous FCD and HDSI designs, from two companies known for their meticulous attention to detail and focus on duty grade, hard use weapons and components.
We are confident LSFA will serve ambidextrous charging handle users that want, and use, a forward assist on their duty and defense AR15/M16.
CNC Billet construction,  LSFA is machined from 4130 steel bar stock, heat treated with black nitride finish.  Roll pins and forward assist spring are both included.

Proudly designed and made in the USA.

Additional information

Weight 0.25 lbs
Dimensions 3 × 3 × 3 in


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