870 Magnum Barrel Choices

[sierra m37]

I've got an older 870 Magnum that has the 28" vent ribbed barrel on it and am looking for recommendations on a home security 18" or so barrel. Clue me in and thanks in advance.

[m16]

Look for an 18" with an improved cylinder choke.

(aka Police Magnum barrel)

[Tenamaxtle]

I bought this for my slug/HD combo:

http://www.budsgunshop.com/catalog/product_info.php/cPath/26_635_636/products_id/711013108/Model+870+Extra+Barrel+12+Gauge+3+Inch+Chamber+18+Inch+Parkerized+Finish+Rifle+Sights+Improved+Cylinder+Choke