309-188 Grain RN Bullet - PC

• Gas Check Design
  
• Powder Coat Design
  
• Material:  Aluminum
  
• Hardened Dowel Pins / SS Bushings
  
• Includes: Sprue Plate, Hardware for attaching to Lee or comparable handles
  

Bullet was designed for - .300 Blackout   **GC version used an alloy with CU in it to get it up near 3000fps

The rounds were also fired in AR10 and SCAR platforms.  Rounds had no cycling issue and were loaded using Lymans data from the AR reloading manual.

Note: As Cast 178 Grain- Design is undersize Cast Core brought up to Spec by PC, Metal is hard, techniques makes sizing practical Designed for Light, Strong Alloy.  Estimates using RotoMetals Products baseline as follows: 2lb or 8-10 Nuggets 99.9% PB,  1lb or 4-5 Nuggets Super Hard,  1lb Ingot Super Tough, Grade 3 Babbitt,  ~ BHN 23.4 188gr estimate includes Hornady 7070 GC and Smokes Bacon Grease Powder Coat (thickness assumed 0.00125”) Drive Band Sized 0.3085 to 0.3090 seated with GC at Base of Casing Neck, with neck tension on Bolt Gun loads Bore Rider section of bullet sized using special nose bushing sizing die at .3000 (+.0005) AR application needs to use lee factory crimp die to lightly crimp casing so not to strip PC during firing but to aid in chambering without changing seating depth.  AR feed ramps should allow for smooth transition. 300 BO loaded for AR platforms and Bolt Guns at Max COAL 2.26”