X-PRT 90 (FRT90) - FN PS90: a replacement fire-control upgrade for the platform named in the title. Check that your rifle matches before you order.

What is listed: Safe (S) — Mechanical safety blocks trigger movement.; Semi (1) — Standard PS90 semi-automatic operation.; Standard semi-automatic operation — Conventional trigger function with one pull per shot.; 17-4 stainless steel hammer — Replaces the factory polymer hammer; heat treated and nitrided.; 17-4 stainless steel out-of-battery sear — Replaces the factory polymer sear; heat treated and nitrided.; 6061 aluminum 3-position selector — Hard anodized; replaces the factory polymer 2-position selector..

Ordering from Chuck's Gun Store? We ship to customers around Las Vegas, Henderson and all 17 Nevada counties. Parts ship to your door where legal; check your state and local law before you order. What you see at checkout is the price you pay.

Before you buy, read the product name against your rifle: the platform, the pattern (AR-15, AR-10, HK, FN) and the trigger type all have to match. Parts from different makers are not always interchangeable.

New at Chuck's Gun Store: this listing was added recently and is available to order now. We describe only what the maker publishes about the item, so no performance claims are made here. Read the title carefully and compare it with your own setup.

Questions about fit? Match the title to your rifle and trigger type, and ask before you order if anything is unclear. Listed as a new arrival and in stock.