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 208 results
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BKF M4 MOD-1 5.56/223 Comp
$21.71 UPC: 810124540005220 in stock -
BKF M4 MOD-1 300 BLK/6.5 Grendel Comp
$21.71 UPC: 81012454001299 in stock -
BKF M4 MOD-1 5.56/223 Extended Comp
$23.27 UPC: 810124541460225 in stock -
BKF M4 MOD-1 Standard Power Carbine Buffer Tube Assembly (8 POS)
$42.72 UPC: 810124540784134 in stock -
BKF M4 MOD-1 Intermediate Power Carbine Buffer Tube Assembly (8 POS)
$50.52 UPC: 8101245408696 in stock -
BKF M4 MOD-1 Extra Power Carbine Buffer Tube Assembly (8 POS)
$59.62 UPC: 81012454123112 in stock -
BKF M4 MOD-1 Stripped Lower Receiver – Anodized
$92.95Out of stock -
BKF AR15 Enhanced M4 MOD-1 Combat Control Kit (LPK) (3.5lb-4.5lb)
$97.32 UPC: 810124541781210 in stock -
BKF AR15 Enhanced M4 MOD-1 Combat Control Kit (LPK)
$98.03 UPC: 810124541798210 in stock -
BKF M4 MOD-1 10.5″ M-LOK Handguard
$102.96 UPC: 810124541323Out of stock -
BKF M4 MOD-1 11.5″ M-LOK Handguard
$104.65 UPC: 810124541361Out of stock -
BKF M4 MOD-1 Stripped Upper Receiver – Tungsten Cerakote
$121.87Out of stock -
BKF M4 MOD-1 Stripped Upper Receiver – FDE Cerakote
$121.872 in stock -
BKF M4 MOD-1 Stripped Upper Receiver – OD Green Cerakote
$121.873 in stock -
BKF M4 MOD-1 Stripped Upper Receiver – Midnight Bronze Cerakote
$121.873 in stock -
BKF M4 MOD-1 Stripped Upper Receiver – Burnt Bronze Cerakote
$121.872 in stock -
BKF M4 MOD-1 Stripped Upper Receiver – Sniper Grey Cerakote
$121.87Out of stock -
BKF M4 MOD-1 Stripped Upper Receiver
$130.3278 in stock -
BKF M4 MOD-1 Standard Power Combat Control Lower Build Kit (Nickel Teflon) (3.5lb-4.5lb)
$137.00 UPC: 810124542603134 in stock -
BKF M4 MOD-1 13″ M-LOK Handguard – FDE Cerakote
$137.15Out of stock -
BKF M4 MOD-1 13″ M-LOK Handguard – Burnt Bronze Cerakote
$137.15Out of stock -
BKF M4 MOD-1 13″ M-LOK Handguard – Midnight Bronze Cerakote
$137.15Out of stock -
BKF M4 MOD-1 13″ M-LOK Handguard – OD Green Cerakote
$137.15Out of stock -
BKF M4 MOD-1 13″ M-LOK Handguard – Tungsten Cerakote
$137.154 in stock -
BKF M4 MOD-1 Assembled Upper Receiver
$139.2778 in stock -
BKF M4 MOD-1 Standard Power Combat Control Lower Build Kit (Nickel Teflon)
$140.95 UPC: 810124542627134 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Tungsten Cerakote
$144.691 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Sniper Grey Cerakote
$144.69Out of stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Burnt Bronze Cerakote
$144.6918 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – Midnight Bronze Cerakote
$144.6911 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – OD Green Cerakote
$144.6911 in stock -
BKF M4 MOD-1 15″ M-LOK Handguard – FDE Cerakote
$144.6912 in stock -
BKF M4 MOD-1 Intermediate Power Combat Control Lower Build Kit (Nickel Teflon) (3.5lb-4.5lb)
$144.80 UPC: 8101245426586 in stock -
BKF M4 MOD-1 Intermediate Power Combat Control Lower Build Kit (Nickel Teflon)
$148.75 UPC: 8101245426656 in stock -
BKF M4 MOD-1 Stripped Lower Receiver – Anodized
$150.50104 in stock -
BKF M4 MOD-1 Standard Power Combat Control Magpul SL Lower Build Kit (Nickel Teflon)
$190.24 UPC: 810124542900118 in stock -
BKF M4 MOD-1 Standard Power Combat Control Magpul SL Lower Build Kit (Nickel Teflon) (3.5lb-4.5lb)
$192.90 UPC: 810124542931118 in stock -
BKF M4 MOD-1 5.56/223 Comp (10 Pack)
$196.4722 in stock -
BKF M4 MOD-1 Intermediate Power Combat Control Magpul SL Lower Build Kit (Nickel Teflon)
$198.04 UPC: 8101245430066 in stock -
BKF M4 MOD-1 Intermediate Power Combat Control Magpul SL Lower Build Kit (Nickel Teflon) (3.5lb-4.5lb)
$200.70 UPC: 8101245430376 in stock -
BKF M4 MOD-1 Standard Power Combat Control Magpul SL-S Lower Build Kit (Nickel Teflon)
$207.4648 in stock