Welcome to Stock Positioning Systems
Cart 0


Click on one of the logos above to visit out Add-On Rib Websites.

Engineered, Designed & Manufactured in the United States.

Stock Positioning Systems is an ultra high tech. machining facility located in Holbrook, NY and has been supplying components in aluminum, stainless steel, and plastics to the aerospace, aviation, automobile and private industry. All of the components used in production of our rifle and shotgun parts are made of the highest quality materials available in the United States.


To our potential buyer,

Do not be misled in any way, shape, or form by our highly competitive low pricing.  Our strategy is simple.  We use the very best material, the latest machining techniques and the finest military anodizing available. We do not market our products to box stores, which must add an additional mark up.  We sell directly to you and we pass the savings directly to you.  All of our products come with a lifetime warranty.

Nobody Beats SPS Quality and Price!  

Comb Adjusting Hardware     Factory Replacement Hardware    Adjustable Pad Plates    Recoils Systems, Recoil Suppressors    

Recoil Reducers     

ADD-A-RIB Adjustable LOP Butt Plate Assembly     Adjustable LOP Butt Plate Assembly