All of the load data provided below are contributions of both us, our customers and members of various websites that specialize in Smokeless Muzzleloader Builds, Data and in sharing and willing to share their pet loads and load experiences with us.

CBJ Precision LLC and CBJ Precision Engineered Rifles, Inc. shares this information in being a contributing member to and in allowing open transparency in sharing all known load data.  Bayou Advanced Weapon Systems, LLC. shares only our .375, .45 and .50 XML Data with our customers exclusive to the exact build.   This data is ONLY for .50 caliber loadings assuming both Sabot-based loads and non-sabot smokeless loads using specific bullet sizing tools, smooth and rifled and non-lubed loads. 

This being said, we make no expressed or implied warranty, obligation of validity, accuracy or the safety of such loads unless you have one of our weapons.    Using smokeless powder in a muzzleloader not specifically desinged and engineered for smokeless power is a dangerous and potental lethal combination resulting in significant damage to your equipment, yourself and/or your death of yourself or others around you.

** NEVER USE SMOKELESS POWDER IN A MUZZLELOADER UNLESS YOU KNOW IT IS DESIGNED AND BUILT SPECIFICALLY FOR SMOKELESS POWDER **

The load data supplied here is for reference only and should be viewed as "starting points" for development.   It is recommended a 2-5% reduction if you are working up your loads in a Smokeless Muzzleloader designed for high performance function.  We are NOT liable for any of the loading data provided.

We cannot control your load practices or your maintenance of your weapons, so following any load data here is at your choosing and we will NOT be liable for a mistake of any kind whatsoever. 

If you use this load data in any other Smokeless Muzzleloader or any weapon for that matter that we did not engineer, design and sell we are NOT liable for any damages or death that may result.

 ** USING THIS LOAD DATA IS AT YOUR CAUTION, NOT OURS **

• SAVAGE - REMINGTON - DEVIANT ACTIONS IN OUR CUSTOM MUZZLELOADERS (Certified Loads)
• Recommended SML Load Data
• SABOT-BASED NON-DUPLEX LOAD DATA  
• .45 Caliber Extreme Smokeless Muzzleloader Items and Load Data - for our XML/SML .45 Muzzleloaders



RECOMMENDED .45 (.458 Dia.) Caliber Projectiles for use with our custom Extreme Muzzleloaders (below)  use ONLY with the MMP .50x.458 Orange Sabots:

APPLICATION CODES FOR RECOMMENDED BULLETS BELOW:

CODE M: Medium Game: Deer and Hog

CODE L:  Large Game:  Mule Deer, Elk, Bear, Moose

CODE D: Dangerous Game:  African Hunting, The BIG 5, Alaskan Bear, T-Rex 

 

• .458 × 250 TSX-FN Barnes #45841 M 
  .458 × 300 SSP Barnes #45701 M L 
  .458 × 300 FNSP Barnes #457020  M L 
  .458 × 300 TSX-FB Barnes #45814 M L 
  .458 × 300 TSX-FN Barnes #45843 M L 
  .458 × 300 HP-FN Sierra #8900 M L 
  .458 × 300 UCHP Speer #2482 M L 
  .458 × 300 PP Nosler #45325 M L 
  .458 × 300 HP Hornady #4500 M L 
• .458 x 325 FTX Hornady 45-70  (Extreme Large Game)  - ELK
  .458 × 350 TSX-FB Barnes #45816 M L 
  .458 × 350 RN Interlock Hornady #4502 M L



• .458 × 350 FP Interlock Hornady #4503 M L
  .458 × 400 SSP Barnes #457030  M L
  .458 × 400 FNSP Barnes #457040  M L
  .458 × 450 TSX-FB Barnes #45819  M L
  .458 × 500 TSX-FB Barnes #45821  D
  .458 × 500 TBSS Speer #1791 D
  .458 × 500 TBBC Speer #1790 D
  .458 × 500 PP Nosler #44745 D
  .458 × 500 S Nosler #27452 D
  .458 × 500 RN Interlock Hornady #4504 D
  .458 × 500 FMJ-RN Hornady #4507 D