KNIGHT'S ARMAMENT AR-15/M16 URX III & 3.1 FORENDS - Brownells
The KAC URX III & 3.1 Rail is a free floating, fully modular replacement forend for the AR-15 platform. Unlike traditional quad rail designs, the URX 3.1 incorporates short sections of M1913 Picatinny rail at its front and rear ends for mounting tactical accessories, eliminating the commonly unused sections of rail for reduced overall weight and a more comfortable grip.
随便聊聊：美国民间武器市场上的配件1-1 - 哔哩哔哩
urx3相对于urx2在造型上基本没有区别，最明显的改进是去掉了3，6，9点三个方向的三条全长导轨，只有前后两端几厘米的长度有导轨，而中间的位置隔一段距离打上了螺丝孔，可以安装护木片，阻手或者握把；另外还取消了华而不实的折叠准星。
〔银翼出品〕KAC URX3 / Cobalt Kinetics 剑圣金属鱼骨 - SDGun
2025年3月11日 · urx3属实是应不少玩家要求推出的，这款鱼骨制作成本很高，品质细节你们直接看图。 原品复刻，old school风格，推荐搭配SR16或其他军规机匣。 以下为淘宝链接：
SDGun新无余【编辑中】AR水弹鱼骨大全(市面上有售的)SDGUN, …
2020年2月16日 · 第十二款，urx3.0 urx2.0的升级版，外观也非常有特色，至于用什么型号上面，kac旗下的都见装过，m110 sr15之类，有兴趣的可以去kac官网看看。 组一把特别的ar，这个鱼骨价格算是有点贵，而且也很小众。
Knight’s Armament URX 3.1 Rail, 13.5″ - Rooftop Defense
Buy Knight’s Armament URX 3.1 Rail, 13.5" | The KAC URX 3.1 Rail is a free floating, fully modular replacement forend for the AR-15 platform.
SR-15 URX 3.1 Upper Receiver Group | Charlie's Custom Clones
Embrace the next level of firepower with the SR15 URX3.1 Upper Receiver Group. Customized with LaRue, Knights Armament, and Surefire parts
Knight's Armament URX 3.1 5.56 Free-Floating Handguard - 13.5"
Knights Armament Co.’s URX 3.1 13.5″ Rail Forend Assembly is a free floating” fully modular replacement forend for the AR-15 platform. Unlike traditional quad rail designs” the URX 3.1 incorporates short sections of M1913 Picatinny rail at its front and rear ends for mounting tactical accessories” eliminating the commonly unused sections of rail …
Knights URX III 8.0 Rail - Del ton
The KAC URX III Rail is a free floating, fully modular replacement forend for the AR-15 platform. Unlike traditional quad rail designs, the URX III incorporates short sections of M1913 Picatinny rail at its front end for mounting accessories, eliminating the commonly unused sections of rail for reduced overall weight and a more comfortable grip.
Knight's Armament Company URX 3.1 Rail 13.5 (new old stock AAC)
UPC: MFG: Knight's Armament Co: MODEL: URX 3.1 Rail 13.5" AAC (new old stock) TITLE: Knight's Armament Company URX 3.1 Rail 13.5" (new old stock AAC)
KAC-Knight's Armament URX 3.1 7.62mm SR-25/M110K1 Carbine Rail, Black
Main part of the URX 3.1 rail is 12 3/8" long with an overhang of 7/8" in the front. Total length is 13 1/2". Rail features short picatinny rails front and rear with slick sides in the middle on left, right, and bottom. There are 4 anti-rotation QD sling swivel sockets, 2 front, 2 …