Description
Product Description
The Haga Defense SIG MCX Spear LT MBT Stock System integrates the premium B&T MBT folding stock with a custom aluminum adapter designed specifically for mounting to 1913/Picatinny rails. This kit includes a nylon plug to fill the gap between the stock and grip, and a SIG Low Profile Deflector to allow complete folding (replaces the factory deflector/forward assist, removing forward assist function). Available in Black or Coyote Tan.
Specifications
- Stock Length: 7.75″ – 10.75″
- Weight: 14.5 oz
- Mount Height: 2.62″
- Mount Width: 1.24″
- Length of Pull Adjustment: 8 positions
- Telescoping cheek riser with 3-position height adjustment
- Folds to the right, canted downward 3.5 degrees
- Fires folded
- Multiple QD sling mount options
- Adapter Material: 6061 aluminum
- Finish: Mil-A-8625 Type III Class 2 hardcoat anodize, black (adapter)
- Colors Available: Black or Coyote Tan
- Included: B&T MBT stock, Haga Defense adapter, nylon plug, SIG Low Profile Deflector, mounting hardware
- Made in: USA (adapter); Stock manufactured by B&T (Switzerland)
Compatibility and Installation Notes
- Compatible exclusively with SIG MCX Spear LT rifles (will not fit larger caliber Spear models)
- Mounts to 1913/Picatinny rails
- WARNING: When the stock is locked in the folded position, lift the stock upward on the hinge to unlock it before unfolding. Failure to do so can result in damage to the hinge. Haga Defense will not accept returns due to damaged hinges.
- NOTICE: Raising the cheek riser will block the charging handle from functioning. Lower the cheek riser or fold the stock to operate the charging handle.
- Color Note: B&T “Coyote Tan” is lighter than standard Magpul FDE and may not perfectly match other FDE components (see image below for comparison).
- No permanent modifications required
Legal NoteAlways ensure your firearm configuration complies with all applicable federal, state, and local laws.
