{"id":687,"date":"2017-04-13T08:44:53","date_gmt":"2017-04-13T12:44:53","guid":{"rendered":"http:\/\/shootingsight.com\/?post_type=product&#038;p=687"},"modified":"2026-07-01T14:27:26","modified_gmt":"2026-07-01T18:27:26","slug":"03a3-reduced-aperture","status":"publish","type":"product","link":"https:\/\/shootingsight.com\/?product=03a3-reduced-aperture","title":{"rendered":"03A3 Reduced Aperture"},"content":{"rendered":"<p>USGI sight apertures for the 1903a3 with a reduced aperture soldered in.\u00a0 Fully legal in the CMP \u2018as issued\u2019 class.<\/p>\n<p>\u00a0<\/p>\n<p>The amount of blur your eye sees is directly proportional to the aperture diameter, so dropping from a USGI .070 to a .042 aperture produces only 60% as much blur (ie a 40% reduction).<\/p>\n<p>\u00a0<\/p>\n<p>Apertures are available in 0.042, 0.044, 0.047, 0.052, or 0.0595.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>USGI sight apertures for the 1903a3 with a reduced aperture soldered in.\u00a0 Fully legal in the CMP \u2018as issued\u2019 class. \u00a0 The amount of blur your eye sees is directly proportional to the aperture diameter, so dropping from a USGI .070 to a .042 aperture produces only 60% as much blur (ie a 40% reduction). [&hellip;]<\/p>\n","protected":false},"featured_media":332,"comment_status":"open","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_cat":[27,173],"product_tag":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"USGI sight apertures for the 1903a3 with a reduced aperture soldered in. Fully legal in the CMP &#039;as issued&#039; class. The amount of blur your eye sees is directly proportional to the aperture diameter, so dropping from a USGI .070 to a .042 aperture produces only 60% as much blur (ie a 40% reduction).\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/shootingsight.com\/?product=03a3-reduced-aperture\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ShootingSight - Engineered Excellence for Shooters\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"03A3 Reduced Aperture - ShootingSight\" \/>\n\t\t<meta property=\"og:description\" content=\"USGI sight apertures for the 1903a3 with a reduced aperture soldered in. Fully legal in the CMP &#039;as issued&#039; class. The amount of blur your eye sees is directly proportional to the aperture diameter, so dropping from a USGI .070 to a .042 aperture produces only 60% as much blur (ie a 40% reduction).\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/shootingsight.com\/?product=03a3-reduced-aperture\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2017-04-13T12:44:53+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-07-01T18:27:26+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"03A3 Reduced Aperture - ShootingSight\" \/>\n\t\t<meta name=\"twitter:description\" content=\"USGI sight apertures for the 1903a3 with a reduced aperture soldered in. Fully legal in the CMP &#039;as issued&#039; class. 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