Ergo Polymer Armorer Block

Ergo Grip Spike Block f/AR-10. These Receiver Vice Blocks & Reaction Rods manufactured by the experts at ERGO are bolted or clamped securely to a bench or other work surface and feature a 1-piece glass filled polymer design. Specifications for Ergo Grip Spike Blocks for AR10: Manufacturer: ERGO Gun Model: AR-10 Gun Type: Rifle Color: Black Quantity: 1 Features of Ergo Grip AR10 One-Piece Spikes Block: 1-piece glass filled polymer design Fits rifles that use SR-25 pattern magazines 7oz 6-1/8" tall x 2" long (at the base) x 4-1/4" wide (at the base) 1/4" mounting holes Package Contents: Ergo Grip AR10 Spikes Block Ergo Grip 4989: Spikes Block for AR10