The M4 Mod-1 line represents the pinnacle of the BKF brand; the “crème de la crème”. Taking all of the functional cues made popular in the BKF and M4 Mod-0 series, the M4 Mod-1 focuses on the needs and requirements of the high-end custom builder. Utilizing the same high-quality, premium blocks of 7075-T6 aluminum, the M4 Mod-1 series stays true to the “Made in the U.S.A.” ethos, but with a twist. The machine work on these sets, while focusing on tight tolerances and enhanced fit and function, pays extra attention to the style and aesthetics desired by today’s top builders. Machined pocket cuts, aside from providing an eye-catching design, greatly reduce the overall weight on the receivers and rails, providing a light, one- of-a-kind build. The high quality machine-work on these receiver sets lends itself perfectly to a multitude of cerakote finishes, from battleworn to custom one-off theme jobs. The M4 Mod-1 line also includes buffer systems and springs matched to the gas system, barrel length, and caliber, polished Nickel Teflon triggers, and Combat Control kits standard to all builds. The M4 Mod-1 line from BKF raises the bar for your next build.
Showing 1–48 of 267 results
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BKF M4 MOD-1 5.56/223 Comp
$25.05 UPC: 810124540005233 in stock -
BKF M4 MOD-1 300 BLK/6.5 Grendel Comp
$25.05 UPC: 810124540012149 in stock -
BKF M4 MOD-1 Standard Power Carbine Buffer Tube Assembly (8 POS)
$49.29 UPC: 810124540784118 in stock -
BKF M4 MOD-1 Intermediate Power Carbine Buffer Tube Assembly (8 POS)
$58.29 UPC: 81012454086935 in stock -
BKF M4 MOD-1 Extra Power Carbine Buffer Tube Assembly (8 POS)
$68.79 UPC: 81012454123118 in stock -
BKF AR15 Enhanced M4 MOD-1 Combat Control Kit (LPK)
$101.21187 in stock -
BKF M4 MOD-1 Stripped Lower Receiver – Anodized (Ghost)
$107.25Out of stock -
BKF AR15 Enhanced M4 MOD-1 Combat Control Kit (LPK) (3.5lb-4.5lb)
$112.29187 in stock -
BKF M4 MOD-1 Assembled Upper Receiver
$119.0220 in stock -
BKF M4 MOD-1 7″ M-LOK Handguard – Burnt Bronze Cerakote
$132.75Out of stock -
BKF M4 MOD-1 8″ M-LOK Handguard – Burnt Bronze Cerakote
$136.95Out of stock -
BKF M4 MOD-1 Standard Power Combat Control Lower Build Kit (Nickel Teflon)
$144.67118 in stock -
BKF M4 MOD-1 Standard Power Combat Control Lower Build Kit (Nickel Teflon) (3.5lb-4.5lb)
$147.54118 in stock -
BKF M4 MOD-1 Stripped Upper Receiver
$150.3720 in stock -
BKF M4 MOD-1 Intermediate Power Combat Control Lower Build Kit (Nickel Teflon)
$153.0735 in stock -
BKF M4 MOD-1 Intermediate Power Combat Control Lower Build Kit (Nickel Teflon) (3.5lb-4.5lb)
$155.9435 in stock -
BKF M4 MOD-1 13″ M-LOK Handguard – FDE Cerakote
$158.254 in stock -
BKF M4 MOD-1 13″ M-LOK Handguard – Burnt Bronze Cerakote
$158.251 in stock -
BKF M4 MOD-1 13″ M-LOK Handguard – Midnight Bronze Cerakote
$158.251 in stock -
BKF M4 MOD-1 13″ M-LOK Handguard – OD Green Cerakote
$158.253 in stock -
BKF M4 MOD-1 13″ M-LOK Handguard – Sniper Grey Cerakote
$158.251 in stock -
BKF M4 MOD-1 13″ M-LOK Handguard – Tungsten Cerakote
$158.254 in stock -
BKF M4 MOD-1 Stripped Lower Receiver – Anodized
$161.2560 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – FDE Cerakote
$166.95Out of stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Tungsten Cerakote
$166.953 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – OD Green Cerakote
$166.95Out of stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Sniper Grey Cerakote
$166.953 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Burnt Bronze Cerakote
$166.953 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Midnight Bronze Cerakote
$166.952 in stock -
BKF M4 MOD-1 7″ M-LOK Handguard – Tungsten Cerakote
$177.00Out of stock -
BKF M4 MOD-1 7″ M-LOK Handguard – FDE Cerakote
$177.00Out of stock -
BKF M4 MOD-1 7″ M-LOK Handguard – OD Green Cerakote
$177.00Out of stock -
BKF M4 MOD-1 7″ M-LOK Handguard – Sniper Grey Cerakote
$177.00Out of stock -
BKF M4 MOD-1 7″ M-LOK Handguard – Midnight Bronze Cerakote
$177.00Out of stock -
BKF M4 MOD-1 8″ M-LOK Handguard – Tungsten Cerakote
$182.60Out of stock -
BKF M4 MOD-1 8″ M-LOK Handguard – FDE Cerakote
$182.60Out of stock -
BKF M4 MOD-1 8″ M-LOK Handguard – Midnight Bronze Cerakote
$182.60Out of stock -
BKF M4 MOD-1 8″ M-LOK Handguard – OD Green Cerakote
$182.60Out of stock