YHM GAS BLOCK RISER ASSY | Picatinny | YHM-230

This Yankee Hill Machine YHM Gas Block Riser Assembly (YHM-230) raises a Picatinny-front sight to the same sight plane with YHM railed gas blocks. It is made from aircraft‑quality aluminum and finished with a hardcoat anodized matte black surface for corrosion resistance and durability. Typical uses include aligning a same‑plane front sight for target or precision shooting and integrating with YHM’s Q.D.S. same‑plane sight system.

Product Specifications

• The manufacturer is Yankee Hill Machine.
• The manufacturer part number is YHM-230.
• The model is Gas Block Riser.
• The product type is Riser.
• The subcategory is listed as Bases.
• The fit is specified as Picatinny.
• The color is Black.
• Constructed from aircraft-quality aluminum.
• The finish is Hardcoat Anodized matte black to Military Specifications or better.
• Length is listed as 2.0 (unit not specified in source).
• Weight is reported as inconsistent across sources (see notes).
• The product description references use with YHM’s Q.D.S. same plane sight system.
• The UPC is 816701014303.

Built to match YHM railed gas blocks, this riser is a straightforward option when a consistent sight plane is required. Its aluminum construction and hardcoat anodized finish prioritize durability and light weight without adding unnecessary bulk. If you need a compact riser that integrates with YHM sighting systems, the YHM-230 provides a purpose‑built solution.