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
    • AR 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
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
    • AR 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
$0.00 0 Cart
Click to enlarge
Home Gun Parts AR15 Parts AR15 Uppers MK12 MOD 0 SPR GEN II 5.56MM 18” BBL 1-8 TWIST UPPER BLACK
10.5'' HK416 SUPER MODULAR RAIL SMR M-LOK BLACK
10.5'' HK416 SUPER MODULAR RAIL SMR M-LOK BLACK $463.00
Back to products
12 GAUGE MAGAZINE FOLLOWER TITAN
12 GAUGE MAGAZINE FOLLOWER TITAN $12.95

MK12 MOD 0 SPR GEN II 5.56MM 18” BBL 1-8 TWIST UPPER BLACK

$1,826.00

MK12 MOD 0 SPR GEN II 5.56MM 18” BBL 1-8 TWIST UPPER BLACK

3 in stock

Purchase & earn 1,826 points!
Compare
Add to wishlist
SKU: CROW|308808 Category: AR15 Uppers
Share:
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Additional information
UPC

090222553965

Manufacturer

Precision Reflex

Manufacturer Part Number

07-556G2B-18

Rate of Twist

1-8

Style

Complete

Muzzle

1/2-28

Length

18''

Finish

Cerakote

Color

BLACK

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “MK12 MOD 0 SPR GEN II 5.56MM 18” BBL 1-8 TWIST UPPER BLACK” Cancel reply

Your email address will not be published.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

Shipping & Delivery

Related products

Compare

GUNTEC AR15 STRIPPED BILLET – UPPER RECEIVER BLACK

AR15 Uppers
$122.00
GUNTEC AR15 STRIPPED BILLET - UPPER RECEIVER BLACK
Add to wishlist
Purchase & earn 122 points!Add to cart
Quick view
Compare

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

AR15 Uppers
$160.55
ODIN UPPER RECEIVER BILLET BLK - AR-15 NO FOWARD ASSIST
Add to wishlist
Purchase & earn 161 points!Add to cart
Quick view
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!Add to cart
Quick view
Sold out
Compare

RADIAN MODEL 1 COMPLETE AR15 – UPPER 223 WYLDE 17.5″ BLACK

AR15 Uppers
$2,069.95
RADIAN MODEL 1 COMPLETE AR15 - UPPER 223 WYLDE 17.5" BLACK
Add to wishlist
Purchase & earn 2,070 points!Read more
Quick view
Compare

RADIAN WEAPONS MODEL 1 BUILDER KIT 15.5″ BLK

AR15 Uppers
$1,399.95
RADIAN WEAPONS MODEL 1 BUILDER KIT 15.5" BLK
Add to wishlist
Purchase & earn 1,400 points!Add to cart
Quick view
Compare

STERN DEF. PISTOL UPPER 9MM – 8.5″ BBL. 10″ M-LOK RAIL

AR15 Uppers
$498.56
STERN DEF. PISTOL UPPER 9MM - 8.5" BBL. 10" M-LOK RAIL
Add to wishlist
Purchase & earn 499 points!Add to cart
Quick view
Compare

VKTR VK-1 COMPLETE AR-15 UPPER – RECEIVER 5.56 10.5″ BBL. BLACK

AR15 Uppers
$1,799.00
VKTR VK-1 COMPLETE AR-15 UPPER - RECEIVER 5.56 10.5" BBL. BLACK
Add to wishlist
Purchase & earn 1,799 points!Add to cart
Quick view
Sold out
Compare

YHM STRIPPED BILLET UPPER – RECEIVER FOR AR-15

AR15 Uppers
$171.00
YHM STRIPPED BILLET UPPER - RECEIVER FOR AR-15
Add to wishlist
Purchase & earn 171 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