{"product_id":"ncstar-ar10-upper-receiver-block","title":"NcSTAR - AR10 Upper Receiver Block","description":"\u003cp\u003eThe \u003cb\u003eNcSTAR AR10 Upper Receiver Block\u003c\/b\u003e is a crucial tool for anyone working on AR10 rifles. This block is designed to fully support the upper receiver, preventing damage from torque twisting forces when installing or removing barrels. The upper half of the block inserts into the AR10 receiver just like a bolt carrier group, while the bottom half can be bolted together with the upper block using the provided steel bolts. This design ensures comprehensive support for the inside and bottom of the AR10 receiver, while keeping the optics rail accessible for mounting accessories and optics.\u003c\/p\u003e\u003cp\u003eAdditionally, the block features a hole running through its length, serving as a bore brush guide for cleaning the barrel bore. Constructed from durable blue anodized aluminum, this block is both robust and lightweight, making it an essential addition to any gunsmith's toolkit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents damage from torque twisting forces during barrel installation or removal\u003c\/li\u003e\n\u003cli\u003eUpper half inserts into the AR10 receiver like a bolt carrier group\u003c\/li\u003e\n\u003cli\u003eBottom half bolts to the upper block with provided steel bolts\u003c\/li\u003e\n\u003cli\u003eSupports the inside and bottom of the AR10 receiver\u003c\/li\u003e\n\u003cli\u003eKeeps optics rail open for accessory and optics mounting\u003c\/li\u003e\n\u003cli\u003eIncludes a bore brush guide for barrel cleaning\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Blue anodized aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e 8.4\"L x 3.1\"H x 2.0\"D\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 29.0 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCategory:\u003c\/b\u003e AR15 Tools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NcSTAR","offers":[{"title":"Default Title","offer_id":43149331955801,"sku":"RSR-NSTARVTHAR10UVB","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/ncstar_RSR-NSTARVTHAR10UVB-1.jpg?v=1790383623","url":"https:\/\/mountainready.online\/products\/ncstar-ar10-upper-receiver-block","provider":"mountainready.online","version":"1.0","type":"link"}