Gray Ops CNC MasterPiece Arms MPA Side Rail Inserts For MPA Matrix/ESR Chassis- Aluminum **** Will Fit Matrix Pro With Additional Side Rails


Out of stock



  • Ergonomic gripping locations
  • Light weight (1.6 oz each insert)
  • Multiple Flush Cup locations for accessories such as the “Sikes Clutch”


  • Machined from 6061 Aluminum
  • Black Anodize Hard Coat finish
  • Includes (2) two inserts
  • Each insert has 6 built in flush cup locations (12 total per pair) for each sling and accessory attachment
  • Lightweight at 1.6 ounces per insert
  • Hardware to attach to side rails included


  • MPA Side rails purchased separately via MPA website
  • Inserts only compatible with Side Rails from MPA


Additional Information

Additional information


Black, Midnight Burnt Bronze, Flat Dark Earth, Gun Metal, Marine Red, NRA Blue, Multi-Cam Dark Green, Tungsten, Solstice, Ingot, Surge

Non Folder / Folder

Folding Stock, Non-Folding Stock


700LA RH, Tikka RH/LH, 700LA LH, 700SA RH, 700SA LH


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