If you have any doubts in your ability to perform the following actions, stop immediately and seek assistance from a qualified gunsmith. If you need clarification on any of the steps below, please contact us to speak with a company representative.

Always wear proper personal protective equipment (PPE) including adequate eye protection when servicing a firearm.

Installing an Angstadt Arms handguard

Parts needed:

  • Angstadt Arms handguard
  • Upper receiver
  • Barrel
  • 1 – 1/4″ torque wrench
  • 5/32 torque wrench or hex key

1. Remove bolts from handguard

Remove the 10-32 bolts from the handguard using a 5/32 driver or hex key.

2. Remove barrel nut from handguard

Slide the barrel nut out from the handguard.

3. Install barrel

Align the indexing pin on your barrel with the upper receiver and fully seat the barrel extension into the receiver.

4. Install barrel nut

Install the barrel nut on the upper receiver and tighten down to 35FT-LBS using a 1 – 1/4″ torque wrench.

5. Install handguard

Slide the handguard over the barrel and onto the barrel nut. Reinstall 2 bolts and tighten to 70IN-LBS using a 5/32 driver.