great lakes firearms logo
  • Shop
  • About
  • Services
    • Engraved Guns
    • Light Gunsmithing
    • Ultrasonic Gun Cleaning
  • Contact
$0.00 0 Cart
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Pre-Owned
  • NFA/Supressor
great lakes firearms logo
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Pre-Owned
  • NFA/Supressor
$0.00 0 Cart
Click to enlarge
Home Gun Parts AR15 Parts AR15 Uppers MK12 MOD 0 SPR GEN III 5.56MM 18” BBL 1-7 TWIST UPPER BLACK
DD4 MK18RIII 5.56MM 10.3'' BBL 30-ROUND MAG BLACK
DD4 MK18RIII 5.56MM 10.3'' BBL 30-ROUND MAG BLACK $2,375.00
Back to products
F5 MFG Soda Can Launcher - Black | Picatinny Rail | Includes Golfball/Net/Smoke Canister attachment
F5 MFG Soda Can Launcher - Black | Picatinny Rail | Includes Golfball/Net/Smoke Canister attachment $139.00

MK12 MOD 0 SPR GEN III 5.56MM 18” BBL 1-7 TWIST UPPER BLACK

$1,796.00

MK12 MOD 0 SPR GEN III 5.56MM 18” BBL 1-7 TWIST UPPER BLACK

1 in stock

Purchase & earn 1,796 points!
Compare
Add to wishlist
SKU: CROW|308810 Category: AR15 Uppers Brand: Precision Reflex, Inc.
Share:
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Additional information
UPC

090222553682

Manufacturer

Precision Reflex, Inc.

Manufacturer Part Number

07-55618-SPR-RDB7

Color

BLACK

Finish

Cerakote

Length

18''

Style

Complete

Rate of Twist

1-7

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “MK12 MOD 0 SPR GEN III 5.56MM 18” BBL 1-7 TWIST UPPER BLACK” Cancel reply

Your email address will not be published. Required fields are marked *

Shipping & Delivery

Related products

Sold out
Compare

ODIN UPPER RECEIVER BILLET FDE – AR-15 NO FOWARD ASSIST

AR15 Uppers
$179.55
ODIN UPPER RECEIVER BILLET FDE - AR-15 NO FOWARD ASSIST
Add to wishlist
Purchase & earn 180 points!Read more
Quick view
Sold out
Compare

POF USA RENEGADE+ UPPER 5.56 10.5″ BLK

AR15 Uppers
$1,059.00
POF USA RENEGADE+ UPPER 5.56 10.5" BLK
Add to wishlist
Purchase & earn 1,059 points!Read more
Quick view
Sold out
Compare

RADIAN MODEL 1 COMPLETE AR15 – UPPER 223 WYLDE 10.5 BLACK

AR15 Uppers
$1,904.95
RADIAN MODEL 1 COMPLETE AR15 - UPPER 223 WYLDE 10.5 BLACK
Add to wishlist
Purchase & earn 1,905 points!Read more
Quick view
Compare

RADIAN MODEL 1 COMPLETE AR15 – UPPER 223 WYLDE 10.5 FDE

AR15 Uppers
$1,904.95
RADIAN MODEL 1 COMPLETE AR15 - UPPER 223 WYLDE 10.5 FDE
Add to wishlist
Purchase & earn 1,905 points!Add to cart
Quick view
Sold out
Compare

RADIAN MODEL 1 COMPLETE AR15 – UPPER 223 WYLDE 14.5 BLACK

AR15 Uppers
$1,994.95
RADIAN MODEL 1 COMPLETE AR15 - UPPER 223 WYLDE 14.5 BLACK
Add to wishlist
Purchase & earn 1,995 points!Read more
Quick view
Sold out
Compare

RADIAN WEAPONS MODEL 1 BUILDER KIT 14″ BRN

AR15 Uppers
$1,359.95
RADIAN WEAPONS MODEL 1 BUILDER KIT 14" BRN
Add to wishlist
Purchase & earn 1,360 points!Read more
Quick view
Sold out
Compare

RADIAN WEAPONS MODEL 1 UPPER 223WYL 14.5″ GRY

AR15 Uppers
$1,994.95
RADIAN WEAPONS MODEL 1 UPPER 223WYL 14.5" GRY
Add to wishlist
Purchase & earn 1,995 points!Read more
Quick view
Sold out
Compare

YHM STRIPPED BILLET UPPER – RECEIVER FOR AR-15

AR15 Uppers
$199.75
YHM STRIPPED BILLET UPPER - RECEIVER FOR AR-15
Add to wishlist
Purchase & earn 200 points!Read more
Quick view

    At Great Lakes Firearms of Porter, Indiana, our mission is to provide our customers with the finest firearms and ammunition available, while promoting responsible gun ownership and safety.

    Quick Links

    • About
    • Service
    • Shop
    • Blog
    • Contact

    Useful Link

    • Privacy Policy
    • Term Of Use
    • Returns Policy
    • Reviews

    Great Lakes Firearms

    • (219) 617-6679
    • 1355 Dune Meadows Dr,
      Porter, Indiana 46304

    Newsletter

    Copyright 2025, Great Lakes Firearms | All Rights Reserved.

    Shopping cart
    Close
    Start typing to see products you are looking for.
    Shop
    Wishlist
    0 items Cart
    My account