1987 Sig Assault Rifles SG550/551 Catalog,8-1/4" x 11-5/8" with 12 pages CONTENT: The entire catalog features the selective-fire 5.56 caliber SG550 & SG551 assault rifles.The 4 center pages fold out to 25" x 11-5/8" picturing a 15" long rifle with 26 features numbered/highlighted on the rifle and a corresponding numbered list.There are 25 images,an exploded view,full description and specs listed.The code on the back cover is "GB-WA 2.602/3.87/6.12". Excellent Condition