{"id":50445,"date":"2026-10-15T13:23:08","date_gmt":"2026-10-15T18:23:08","guid":{"rendered":"https:\/\/onyxarms.com\/index.php\/product\/rock-island-rock-ultra-ms-45acp-4-25-as-8rd-parkerized\/"},"modified":"2026-10-15T13:23:08","modified_gmt":"2026-10-15T18:23:08","slug":"rock-island-rock-ultra-ms-45acp-4-25-as-8rd-parkerized","status":"publish","type":"product","link":"https:\/\/onyxarms.com\/index.php\/product\/rock-island-rock-ultra-ms-45acp-4-25-as-8rd-parkerized\/","title":{"rendered":"ROCK ISLAND ROCK ULTRA MS – 45ACP 4.25″ AS 8RD PARKERIZED"},"content":{"rendered":"

FEATURES<\/u><\/strong>
-Parkerized finish
-4.25″ barrel
-6 grooves
-1:16″ twist
-Dovetail fiber-optic front sight
-LPA MPS1-typeadjustable rear sight
-8-round magazine<\/p>\n

<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PRODUCT SPECIFICATIONS<\/u>:<\/b><\/p>\n<\/tr>\n
Dimension    <\/td>\n3.20 X 8.20 X 10.30<\/td>\n<\/tr>\n
Height    <\/td>\n3.2000<\/td>\n<\/tr>\n
Width    <\/td>\n8.2000<\/td>\n<\/tr>\n
Length    <\/td>\n10.3000<\/td>\n<\/tr>\n
CALIBER    <\/td>\n45 ACP<\/td>\n<\/tr>\n
TYPE ACTION FUNCTION    <\/td>\nSEMI-AUTO<\/td>\n<\/tr>\n
GRIP MATERIAL    <\/td>\nG10<\/td>\n<\/tr>\n
FINISH    <\/td>\nPARKERIZED<\/td>\n<\/tr>\n
FRAME MATERIAL    <\/td>\nSTEEL<\/td>\n<\/tr>\n
BARREL LENGTH IN INCHES    <\/td>\n4.2500<\/td>\n<\/tr>\n
MAGAZINE CAPACITY    <\/td>\n8.0000<\/td>\n<\/tr>\n
NUMBER OF MAGAZINES INCLUDED    <\/td>\n1.0000<\/td>\n<\/tr>\n
AMBIDEXTROUS SAFETY    <\/td>\nY<\/td>\n<\/tr>\n
DRILLED AND TAPPED    <\/td>\nN<\/td>\n<\/tr>\n
TYPE OF SIGHTS    <\/td>\nADJUSTABLE<\/td>\n<\/tr>\n
FRAME COLOR    <\/td>\nBLACK<\/td>\n<\/tr>\n
SLIDE COLOR    <\/td>\nBLACK<\/td>\n<\/tr>\n
WEIGHT IN OUNCES    <\/td>\n40.0000<\/td>\n<\/tr>\n
OTHER FEATURES:    <\/td>\nSKELETONIZED HAMMER & TRIGGER,<\/td>\n<\/tr>\n
    <\/td>\nBEAVERTAIL GRIP SAFETY,<\/td>\n<\/tr>\n
    <\/td>\nADJ. REAR SIGHT, G10 GRIPS,<\/td>\n<\/tr>\n
    <\/td>\nARMSCOR MAGAZINE REFERENCE B<\/td>\n<\/tr>\n
    <\/td>\nROCK SERIES ULTRA MS<\/td>\n<\/tr>\n
    <\/td>\nPHOTO MAY NOT REPRESENT ACTUAL<\/td>\n<\/tr>\n
    <\/td>\nPRODUCT.<\/td>\n<\/tr>\n
    <\/td>\nARMSCOR PISTOLS ARE SUBJECT<\/td>\n<\/tr>\n
    <\/td>\nTO VARIOUS RUNNING CHANGES<\/td>\n<\/tr>\n
    <\/td>\nSUCH AS GRIPS\/MARKINGS\/ETC.<\/td>\n<\/tr>\n
NO DIRECT SHIP TO CALIFORNIA<\/td>\n<\/tr>\n<\/table>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

ROCK ISLAND ROCK ULTRA MS – 45ACP 4.25″ AS 8RD PARKERIZED<\/p>\n","protected":false},"featured_media":50444,"comment_status":"open","ping_status":"closed","template":"","meta":{"_eb_attr":""},"product_brand":[],"product_cat":[1332],"product_tag":[],"class_list":["post-50445","product","type-product","status-publish","has-post-thumbnail","product_cat-semi-auto-handguns","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product\/50445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/comments?post=50445"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/media\/50444"}],"wp:attachment":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/media?parent=50445"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=50445"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=50445"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=50445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}