Sig 556 Pistol: P556

    Sig are offering the Sig 556 rifle in a pistol configuration called the P556. It has proved very popular at SHOT Show and looks like a really fun gun!

    Sig P556

    Apart from the 10″ barrel and lack of a stock, it has all the same features of the SIG 556 rifle: Flash suppressor, picatinny rails, two stage trigger, weather resistant Nitron finish. It also comes with a Sig branded mini red dot sight.


    Caliber: 5.56mm NATO
    Overall Length: 21.5”
    Barrel Length: 10”
    Rifling: 1 in 7”
    Weight (w/o Magazine): 6 lbs 7 oz
    Magazine: 30 Round STANAH (AR-15)

    The MSRP is $1875.

     Upfiles Catalog Product 556P-Detail-R3B

    It also comes in a SWAT variant which has a alloy quad rail in place of the standard handguard. No word on pricing for this model.

    P556 SWAT model

    Steve Johnson

    I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!