AR-15 5.56/.223 20" Stainless Tactical Bull Upper Assembly | M-LOK | Straight Fluted

AR-15 5.56/.223 20" Stainless Tactical Bull Upper Assembly | M-LOK | Straight Fluted

Upgrade your AR-15 with the 20" Stainless Tactical Bull Upper Assembly, designed for superior accuracy and reliability. This upper features a 416R stainless steel bull contour barrel, hardened to 26-32 RC and stress-relieved for enhanced durability. Chambered in 5.56 NATO, it’s also compatible with .223 rounds. The 1-8 RH twist and 6-groove button rifling provide excellent precision, while the target crown ensures optimal shot accuracy. The barrel is also .936 under gas block and comes with M4 feed ramps.

The upper receiver is made from certified 7075-T6 aluminum forgings, black hardcoat anodized, and Teflon coated to meet government specifications. Equipped with a forward assist and dust cover, the A3 flat top upper receiver is ready for any tactical setup.

For smooth operation, the low-profile .936 steel gas block is crafted from aircraft-quality steel, paired with a rifle-length gas tube for consistent gas flow. The upper also features a 15" free-floating M-LOK handguard made from aircraft-quality aluminum and anodized for long-lasting protection.

Key Features:

• Barrel: 20" 416R stainless steel, bull contour, 1-8 RH twist, 6-groove button rifled.
• Chamber: Compatible with 5.56 NATO and .223 rounds.
• M4 Feedramps: Ensure smooth feeding and enhanced performance.
• Gas System: Low-profile .936 steel gas block and rifle-length gas tube.
• Upper Receiver: A3 flat-top, 7075-T6 aluminum, black hardcoat anodized with forward assist and dust cover.
• Handguard: 15" free-floating M-LOK rail, made from aircraft-quality aluminum.
• No BCG/Charging Handle: Sold separately.

Please note: Images may not exactly represent the product, as M-LOK variations may occur depending on stock availability, but rest assured, the quality is maintained at all times.