Precision is everything when building an AK from an 80% receiver blank. The AK-Builder Receiver Blank Drilling Fixture (V-4) delivers the accuracy and repeatability serious builders demand for 1.5mm thick AKM receivers. This heavy-duty steel jig holds your blank securely, eliminating movement and misalignment during drilling operations. Specifications Designed for 80% AKM receivers (1.5mm thickness) Dimensions: 10.5″ L x 2″ W x 2.5″ H Weight: 144 units Material: High-strength steel Compatible with standard drill bits for AK receiver hole patterns SKU: 34214