BKF M4 MOD-0 17.5″ M-LOK FFSSR Builder Set

Description

New for 2020 is our BKF M4 MOD-0 forged receiver sets that is part of our new Premium Series. They are available as a builders set or receiver set. The Premium Series will offer a vast number of BKF components that have been made with the AR builder in mind. Not only does the Premium Series offer extremely high quality products, but it also offers very competitive pricing. These are not any old AR15 forged receiver set. These are Manufactured for heavy duty use in mind. This receiver set is the perfect starting place for any high quality build.

BKF M4 MOD-0 Stripped Lower Receiver Features: 

• “SAFE”, “FIRE” and “AUTO” markings
• Machined from 7075-T6 forged aircraft grade aluminum
• M16 Pocket Cut
• Threaded Rear takedown and bolt catch (Screws included)
• Bead blasted and hard coat anodized black (Type III, Class 2 )
• Caliber marking of “Multi” so it can be used with many different caliber uppers
• Compatible with all standard AR-15 components and magazines
• Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
• Save money by building your own AR-15 rifle from the ground up exactly the way you want it configured
• Deep Laser Engraved BKF logo

BKF M4 MOD-0 Stripped Upper Receiver (Light T-Marks):

The BKF M4 MOD-0 Stripped Upper Receiver is a step up from our regular BKF-15 stripped uppers. The M4 MOD-0 uppers are held to tighter tolerances, Dry film lubed and tight fitting when paired with our M4 MOD-0 Lowers. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our M4 MOD-0 lower receivers for a solid and dependable fit. This upper receiver has laser engraved T-Marks. (The Inside Diameter for the barrel extension is slightly undersized for a tighter fit to the barrel and will produce a more accurate rifle. Please note: you may need to use a heat gun or hair dryer to warm up threaded bore of receiver and freeze your barrel if your barrel extension is too tight.)

• M4 Feedramps
• 7075-T6 aluminum
• .250 takedown pin holes
• Laser engraved T-marks
• Dry Film Lubed Upper
• Type 3 Hard Coat Anodizing
• Made in the USA
• Weighs 7.3oz

Parallax Tactical 17.5″ M-LOK FFSSR Handguard Features:

The FFSSR is a sleek, one-piece handguard that offers one of the slimmest profiles available on the market (1.360″), plus outstanding versatility for attaching your choice of accessories. Built-in, full-length top Picatinny rail provides plenty of versatility in mounting optics and sights, while four limited-rotation QD pushbutton sling swivel mounts let you position the sling where it’s most comfortable for you. Two rear picatinny rail mounts for sling hook type mounts. Sleeve-style barrel nut with 1-1/8” flats. Mounts using 4 standard, 2 low-head hex screws (included). Mounting holes every 22.5 degrees. Includes shims for proper alignment. Cutout sections compatible with all Magpul accessories, including rail sections. In addition, there are slots at the 45° positions to accept any accessory that fits Magpul M-LOK attaching system. Steel Barrel Nut finished in Black Nitride for corrosion resistance.

• Made from Aluminum
• Finished in Type III HardCoat Anodizing
• Steel Barrel Nut finished in Black Nitride for corrosion resistance
• Grade 8 Fasteners
• Timing shims included
• 1.30″ internal diameter
• 1.60″ outside diameter
• M-LOK
• Picatinny slots at the 3,6 and 9 o’clock rear and front
• QD’s front and rear at 3 and 9 O’clock
• 14oz
• Barrel Nut uses a 1 1/4″ crowfoot Wrench (not included)

PRODUCT SKU: BKF-M4M0-BS-17.5-FFSSR