{"id":17431,"date":"2025-07-30T18:21:37","date_gmt":"2025-07-30T18:21:37","guid":{"rendered":"https:\/\/newtechairsoft.co.uk\/product\/kwa-rm4-and-vm4-one-piece-upper-receiver-part-363\/"},"modified":"2026-10-18T05:54:13","modified_gmt":"2026-10-18T05:54:13","slug":"kwa-rm4-and-vm4-one-piece-upper-receiver-part-363","status":"publish","type":"product","link":"https:\/\/newtechairsoft.co.uk\/?product=kwa-rm4-and-vm4-one-piece-upper-receiver-part-363","title":{"rendered":"KWA RM4 and Vm4 one-Piece Upper Receiver (Part 363)"},"content":{"rendered":"<p>The RM4 and VM4 one-piece upper receiver fits all KWA RM4, VM4, and Ronin Tactical Series rifles, including the original Magpul PTS ERGs. (Not compatible with the KeyMod Rail, which fits to the fluted version of the upper which is not available for individual sale). The upper receiver appears as part 363 on the RM4 and VM4 Series diagrams.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The RM4 and VM4 one-piece upper receiver fits all KWA RM4, VM4, and Ronin Tactical Series rifles, including the original Magpul PTS ERGs. (Not compatible with the KeyMod Rail, which fits to the fluted version of the upper which is not available for individual sale). The upper receiver appears as part 363 on the RM4 [&hellip;]<\/p>\n","protected":false},"featured_media":17430,"comment_status":"open","ping_status":"closed","template":"","meta":{"_members_access_role":[],"_members_access_error":""},"product_brand":[],"product_cat":[921],"product_tag":[931],"class_list":["post-17431","product","type-product","status-publish","has-post-thumbnail","product_cat-kwa-parts","product_tag-drsh","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>KWA RM4 and Vm4 one-Piece Upper Receiver (Part 363) - New Tech Airsoft LTD<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/newtechairsoft.co.uk\/product\/kwa-rm4-and-vm4-one-piece-upper-receiver-part-363\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KWA RM4 and Vm4 one-Piece Upper Receiver (Part 363) - New Tech Airsoft LTD\" \/>\n<meta property=\"og:description\" content=\"The RM4 and VM4 one-piece upper receiver fits all KWA RM4, VM4, and Ronin Tactical Series rifles, including the original Magpul PTS ERGs. (Not compatible with the KeyMod Rail, which fits to the fluted version of the upper which is not available for individual sale). The upper receiver appears as part 363 on the RM4 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/newtechairsoft.co.uk\/product\/kwa-rm4-and-vm4-one-piece-upper-receiver-part-363\/\" \/>\n<meta property=\"og:site_name\" content=\"New Tech Airsoft LTD\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Newtechairsoft\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-18T05:54:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/newtechairsoft.co.uk\/wp-content\/uploads\/2025\/07\/30072025688a62b1d4894.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/newtechairsoft.co.uk\\\/product\\\/kwa-rm4-and-vm4-one-piece-upper-receiver-part-363\\\/\",\"url\":\"https:\\\/\\\/newtechairsoft.co.uk\\\/product\\\/kwa-rm4-and-vm4-one-piece-upper-receiver-part-363\\\/\",\"name\":\"KWA RM4 and Vm4 one-Piece Upper Receiver (Part 363) - 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