The Magnum Research Switchbolt Carbon Fiber is a semi-automatic .22 LR rifle with a 17-inch graphite bull barrel and gas-assisted blowback action. Overall length is 35.13 inches, weight is 4.65 lbs, and capacity is 10+1 rounds. The fixed thumbhole stock is paired with a black metal finish and an integrated scope base in place of iron sights. 
 

Key Specifications 

• Model: Switchbolt Carbon Fiber 
• Caliber: .22 LR 
• Action: Semi-Auto 
• Barrel Length: 17 inches 
• Capacity: 10+1 rounds 
• Overall Length: 35.13 inches 
• Weight: 4.65 lbs 
• Stock Type: Fixed Thumbhole 
• Finish: Black metal finish with a graphite bull barrel design 
   

Features 

 
The gas-assisted blowback operation cycles reliably and keeps the action running smoothly across a range of .22 LR loads. The graphite bull barrel is stiffer than a standard profile barrel for its weight, which aids consistency at distance. The integrated scope base requires an optic -- no iron sights are included -- which is a design choice that works well once a glass or red dot is mounted. 
 
The thumbhole stock gives a consistent cheekweld and a secure grip geometry during extended shooting sessions. At 4.65 lbs, the rifle is light enough to carry without fatigue.

Owners of the Switchbolt Carbon Fiber .22 LR appreciate the combination of light weight and the graphite bull barrel's accuracy potential. Range reports mention consistent groups and smooth cycling as regular positives. The thumbhole stock is comfortable for most shooters during longer sessions.

Feedback on reliability is generally positive, though some owners report sensitivity to specific ammunition brands or configurations. The optic-ready setup is noted as a feature that suits owners who planned to mount glass anyway, but can surprise buyers expecting iron sights in the box.

Price relative to competing .22 semi-autos comes up as a consideration. The Switchbolt costs more than standard .22 rifles, which some see as justified by the materials and accuracy; others compare it unfavorably to less expensive options that perform similarly for casual plinking. Community discussion around maintenance tips and preferred ammunition types is active among owners.