Howdy everyone, This is my first post and I'm asking for some advice on getting a new stock and detachable magazine for my Model 11 VT bull barrel .308. Im looking at the

-Choate Tactical Savage Stock Detachable Mag Version II
http://www.eabco.net/Choate-Tactical-Savage-Stock-Detachable-Mag-Version-II_p_14193.html?lt_c=1&quickcart=1 and
-Savage 10/12 110/112 Detachable Tactical Magazine System for Accuracy International & Accurate-Mag Magazines - CDI Precision Gunworks https://www.stockysstocks.com/accessories/detach-mag-systems/savage-10-12-110-112-detachable-tactical-magazine-system-for-accuracy-international-accurate-mag-magazines-cdi-precision-gunworks.html

I wanna make sure that both of these products are compatible. Any help would be greatly appreciated and any advice on perhaps other products you may recommend will not fall upon deaf ears. Thanks