Ncstar Ar10 Upper Receiver Block Aluminum Blue
Updated August 13, 2026
| Lot number | 828 |
| Category | Electronics & Gaming |
| Auction | Gun Accessories, Knives, Optics, Tools, Targets, & More! |
| Date | August 21, 2026 at 11:59 AM EDT |
| Auction house | Garnet Gazelle |
| Location | Houston, Texas |
This Ncstar Ar10 Upper Receiver Block In Anodized Blue Is A Precision-machined Aluminum Tool Designed To Support Ar-10 (7.62x51/.308) Upper Receivers During Assembly, Maintenance, And Barrel Installation. Weighing Approximately 29 Oz, This Unit Features A Two-piece Design That Bolts Together To Fully Stabilize The Receiver And Prevent Torque Damage. The Upper Half Inserts Like A Bolt Carrier Group, While The Lower Half Secures With Steel Bolts, Leaving The Optics Rail Accessible For Mounting Accessories. A Built-in Bore Brush Guide Runs Through The Length Of The Block For Convenient Barrel Cleaning. Ideal For Gunsmiths And Builders Seeking Durability, Alignment Accuracy, And Ease Of Use. Keywords: Replacements, Gunsmithing, Practice, Protect, Protection, Accessory
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