The Diamond forearm bridges the gap between the upper receiver and handguard and is “T” marked on all 4 rails. YHM's diamond pattern in the handguard reduces weight and blends perfectly with the diamond fluted barrel. Total Weight: 4.8 lbs.

Features Include:
- Mil-spec forged 7075-T6 aluminum YHM flat top upper receiver (ARR-179)
- "T" Marked upper receiver with forward assist
- Mil-spec bolt carrier assembly
- 16" chrome-moly vanadium steel barrel, heat treated to RC 25-32
- Chambered in 5.56mm NATO, chrome lined with a 1:9" twist
- YHM Diamond fluting improves rigidity and aids in barrel cooling
- YHM Phantom 5C2 flash hider/compensator (ARR-2852)
- YHM Specter length diamond handguard
- YHM Forearm endcap
- YHM Low profile gas block
- YHM Forearm mounted flip front sight
- YHM Flip rear sight (ARR-9680)


For warranty information, please contact:
Yankee Hill Machine Co, Inc.
20 Ladd Avenue, Suite 1
Florence, MA 01062
1-877-892-6533
[email protected]