Description
The United States Navy Mk 12 (MOD 0/1/H) Special Purpose Rifle (SPR) is a designated marksman rifle that was in service with United States Special Operations Forces in the designated marksman role until 2017. The SPR was eventually classified by the U.S. Navy as the Mk 12. The weapon was developed by the Naval Surface Warfare Center Crane Division for US military special operations units.
The BKF Mk12 MOD-1 is built using our top quality thermal fit MOD-0 upper paired with the Knights Armament (KAC) Free Float Rifle RAS (MK 12 MOD 1) and PRI Gas busting charging handle. The upper also includes the highly acclaimed suppressor/brake system from Allen Engineering.
The MK12 Mod 1 upper is 18″ barreled upper with capable MOA accuracy. The flat top receiver has a Gas Buster® charging handle with military big latch. The upper also comes with a Chrome Lined Phosphate C158 bolt carrier group, AE brake and collar. All uppers are assembled cleaned and tested before shipping. Barrels are Douglas 416 stainless steel with 1-7 twist with M4 feed ramps
This product is 100% Made in the USA! Our gas tubes, gas blocks and even roll pins are all proudly manufactured in the US. All Complete uppers are headspaced prior to shipping and test fired.
Includes:
- BKF M4 Mod-0 Thermal Fit Dry Film Lube Assembled Upper Receiver w/ T-Marks
- Knights Armament (KAC) Free Float Rifle RAS (MK 12 MOD 1)
- Douglas 5.56 416 Stainless Steel Barrel 18″ – 1~7 twist
- BKF .750 Low profile gas block
- AE Ops Inc/Allen Engineering Muzzle Brake w/ Long Collar
- PRI Gas Buster Military Latch
- BKF M16 5.56 C185 Chrome Lined Phosphate True Mil Spec BCG
BKF M4 Mod-0 Assembled Upper Features:
- M4 Feedramps
- 7075-T6 aluminum
- .250 takedown pin holes
- Laser engraved T-marks
- Thermal Fit Upper W/ Oversized Lugs for tight fitment with most receivers
- Type 3 Hard Coat Anodizing
- Made in the USA
- Forward assist and dust cover installed
Knights Armament (KAC) Free Float Rifle RAS (MK 12 MOD 1)
FREE FLOAT RIFLE RAS (MK 12 MOD 1), 5.56, W/ THREE 11-RIB PANELS
The KAC Rifle Length Free Float RAS (Rail Adapter System) features full length mil-spec M1913 Picatinny rails at the 12-, 3-, 6-, and 9 o’clock positions, making it compatible with any number of rail-mounted tactical accessories. The rail free floats the barrel, allowing for consistent barrel harmonics upon firing, and thus increased accuracy potential. Includes three KAC 11 Rib Rail Panels.
Rifle Requirements: This Free Float RAS requires that the rifle have a carbine or mid length gas system and a low-profile gas block. Disassembly of the rifle’s gas system and removal of the factory barrel nut will be necessary. This fore end uses a proprietary barrel nut that may be installed using a standard AR-15 armorer’s barrel nut wrench (sold separately). For AR-15/SR-15 based platforms only; not compatible with SR-25 variants. Installation instructions are included.
Specifications
Weight: 16.3oz
Length: 12″
PRODUCT SKU: 21318
Made in the USA!!!
Barrel Additional Info
Caliber – 5.56
Barrel Length – 18″
Material – 416 Stainless Steel
Profile – SPR
Finish – Cerakote
Gas System Length – Rifle
Gas Block Journal – .750″
Twist Rate – 1:7 inches
Muzzle – 1/2×28 Threaded
PRODUCT SKU: BKF-MK12-SP-MOD-1
Contact dealer@bkingsfirearms.com for Availability and Pricing Details.
Suppressor Not included
Suppressors and SBR’s are legal to own in 42 states and growing. Suppressors can be purchased through an authorized dealer but are regulated by the national firearms act [nfa] branch of the bureau of alcohol tobacco firearms and explosives. This means there are a few extra steps for purchasing a suppressor compared to a regular firearm. The following outlines what you need to legally purchase a suppressor.
Requirements
Be a resident of a state where suppressors are legal
Be at least 21 years of age
Be a united states resident
Be legally allowed to purchase a firearm
Pass an atf background check that usually needs 6 to 9 months to process
Pay a one time tax of $200
Ensure your local chief law enforcement officer gets a copy of your form 4
Materials to purchase a suppressor, you will need to find an authorized dealer in your area. Once you find the suppressor you want, the dealer will assist you in filling out a form 4. This is the form you will send into atf along with the following:
Atf form 4 (duplicate)
Fbi form fd-258s in black ink
$200 check to batfe-nfa
Passport photos
Ate form 5320.23 (if using a trust)










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