trx-308 battlerail™ instruction manual

TRX-308 BATTLERAIL™ INSTRUCTION MANUAL
warning! Observe safe firearm handling practices at all times. Make sure the firearm is unloaded and safety is engaged
before starting installation. Installation should be performed by qualified gunsmith only!
Tools Required: Ball-peen hammer, hex wrench, thread locking compound, drift punch, armorers wrench, torque wrench, supplied barrel nut.
1. Strip upper by removing front sight,
flash hider/compensator, lower receiver,
handguards and barrel nut.
2. Thread new Troy barrel nut onto the receiver
by hand.
3. Using armorers tool torque Troy barrel nut
to 30-50 ft lbs making sure to align slots in
barrel nut to holes in receiver for gas tube.
4. Remove gas tube from old sight.
Install gas tube into low profile gas
block using roll pin and drift punch.
5. Install gas tube and low-profile gas block
onto barrel.
6. Make sure gas tube lines up with slot on
barrel nut, and can slide into upper receiver
hole with no interference.
7. Add low-strength thread locking compound
to gas block screws then tighten.
8. Slide the rail onto barrel with the top picatinny rail rotated approximately 5 degrees off center
and slide onto barrel nut aligning slots of rail to teeth on barrel nut.
9. Once rail is fully depressed on barrel nut,
rotate rail to align top picatinny rail with top rail
on upper receiver.
10. Tighten screws on bottom or rail only
enough so that rail is tight to barrel nut. (DO
NOT OVER TIGHTEN) There should still be a
visible gap between the clamp.
TMIM_TRX308lowres_7-18-12
www.troyind.com
Troy Industries, Inc. • 151 Capital Drive • West Springfield, Massachusetts 01089 U.S.A. • Tel: (866) 788-6412 • Fax: (413) 383-0339 • email: sales@troyind.com