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 BEAR CREEK ARSENAL 300 B/O COMPLETE UPPER 10.” BRL 1:7 TWIST PISTOL LENGTH GAS MLOK
Wolf WPA Military Classic Rifle Ammunition .223 Rem 55 gr FMJ 3241 fps 20/ct
Wolf WPA Military Classic Rifle Ammunition .223 Rem 55 gr FMJ 3241 fps 20/ct $10.00
Back to products
Matador Arms MAT9-K Roller Pistol 9mm Luger 22rd Magazine 5.5 Barrel Glock Magazine Compatible Black Frame A3 Brace
Matador Arms MAT9-K Roller Pistol 9mm Luger 22rd Magazine 5.5 Barrel Glock Magazine Compatible Black Frame A3 Brace $1,159.00

BEAR CREEK ARSENAL 300 B/O COMPLETE UPPER 10.” BRL 1:7 TWIST PISTOL LENGTH GAS MLOK

$240.00

BEAR CREEK ARSENAL 300 B/O COMPLETE UPPER 10.” BRL 1:7 TWIST PISTOL LENGTH GAS MLOK

123 in stock

Purchase & earn 240 points!
Compare
Add to wishlist
SKU: ORI|72818 Category: AR15 Uppers
Share:
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Additional information
UPC

756542288085

Manufacturer

Bear Creek Arsenal

Manufacturer Part Number

UAF1396300PHB105

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “BEAR CREEK ARSENAL 300 B/O COMPLETE UPPER 10.” BRL 1:7 TWIST PISTOL LENGTH GAS MLOK” Cancel reply

Your email address will not be published.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

Shipping & Delivery

Related products

Sold out
Compare

ALEXANDER AR15 UPPER HUNTER – 6.5 GRENDEL 18″ BLACK

AR15 Uppers
$827.00
ALEXANDER AR15 UPPER HUNTER - 6.5 GRENDEL 18" BLACK
Add to wishlist
Purchase & earn 827 points!Read more
Quick view
Compare

CMMG UPPER GROUP RESOLUTE MK4 – 300AAC 16.1″ NO BCG/C HANDLE

AR15 Uppers
$475.00
CMMG UPPER GROUP RESOLUTE MK4 - 300AAC 16.1" NO BCG/C HANDLE
Add to wishlist
Purchase & earn 475 points!Add to cart
Quick view
Sold out
Compare

POF USA P-415 EDGE UPPER 5.56 10.5″ BK

AR15 Uppers
$1,232.00
POF USA P-415 EDGE UPPER 5.56 10.5" BK
Add to wishlist
Purchase & earn 1,232 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 14.5 FDE

AR15 Uppers
$1,994.95
RADIAN MODEL 1 COMPLETE AR15 - UPPER 223 WYLDE 14.5 FDE
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
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
Compare

VKTR VK-1 COMPLETE AR-15 UPPER – RECEIVER 5.56 16″ BBL BLACK

AR15 Uppers
$1,799.00
VKTR VK-1 COMPLETE AR-15 UPPER - RECEIVER 5.56 16" BBL BLACK
Add to wishlist
Purchase & earn 1,799 points!Add to cart
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