Drontheim – Complete Upper, 10.5″ 300BLK 1:8 NP3-lined Match Barrel, 10″ M-LOK Handguard

$398.99

Drontheim Build Works

This complete upper features a smooth-side receiver without forward assist, true to the original design by Eugene Stoner, combined with a match grade 10.5 inch, 1:8 twist, 5R button rifled, NP3-lined barrel, and 10 inch octagonal free-float M-LOK handguard.

Out of stock

SKU: DBW-FAR-300-105N-108-010 Category: Tag:

Description

This complete upper features a smooth-side receiver with forward assist, combined with a match grade 10.5 inch, 1:8 twist, 5R button rifled, NP3-lined barrel, and 10 inch octagonal free-float M-LOK handguard.

Includes

Upper receiver with forward assist
• M4 feed ramps
• 0.250 takedown holes
• laser engraved t-marks,
• installed port door with caliber marking

10.5″ Stainless, NP3 lined, match-grade barrel
• 1:8 twist
• gunner profile
• 416-R stainless
• 5R button rifling
• pistol length gas system
• 0.750″ low-profile gas block
• M4 barrel extension
• QPQ Nitride finish
• NP3 lining
• 5/8×24 muzzle threading
• 11-degree target crown
• A2 Flash Hider (unpinned)

10″ Octagonal free-float M-LOK handguard
• 6061-T6 Aluminum
• Black Hardcoat Anodized
• 1.35″ inner diameter
• full-length picatinny rail
• anti-rotation tabs
• 7-sided MLOK, for superior flexible mounting options

Note: This complete upper does not include a BCG or Charging Handle. These products may be selected as add-ons below.


To finish your build

Dimensions21.125 × 4.125 × 4.125 in

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