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 BRN-15 5.56MM 13.7” BBL .750” GAS BLOCK UPPER RECEIVER
BRN-15 5.56MM 11.5'' BBL .750'' GAS BLOCK UPPER RECEIVER
BRN-15 5.56MM 11.5'' BBL .750'' GAS BLOCK UPPER RECEIVER $371.00
Back to products
BRN M24E/REM 700 6.5 CREEDMOOR 24'' STAINLESS STEEL BARREL
BRN M24E/REM 700 6.5 CREEDMOOR 24'' STAINLESS STEEL BARREL $371.00

BRN-15 5.56MM 13.7” BBL .750” GAS BLOCK UPPER RECEIVER

$371.00

BRN-15 5.56MM 13.7” BBL .750” GAS BLOCK UPPER RECEIVER

25 in stock

Purchase & earn 371 points!
Compare
Add to wishlist
SKU: CROW|304492 Category: AR15 Uppers
Share:
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Additional information
UPC

050806000247

Manufacturer

Brownells

Manufacturer Part Number

4027-3410-B3

Muzzle

1/2-28

Rate of Twist

1-7

Style

Assembled

Color

BLACK

Finish

Anodized

Length

13.7''

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “BRN-15 5.56MM 13.7” BBL .750” GAS BLOCK UPPER RECEIVER” Cancel reply

Your email address will not be published.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

Shipping & Delivery

Related products

Compare

ALEXANDER AR15 DIY 16″ UPPER – KIT 6.5 GRENDEL

AR15 Uppers
$608.00
ALEXANDER AR15 DIY 16" UPPER - KIT 6.5 GRENDEL
Add to wishlist
Purchase & earn 608 points!Add to cart
Quick view
Sold out
Compare

FAXON ARAK-21 COMPLETE UPPER – RECEIVER 5.56 16″ BARREL

AR15 Uppers
$919.08
FAXON ARAK-21 COMPLETE UPPER - RECEIVER 5.56 16" BARREL
Add to wishlist
Purchase & earn 919 points!Read more
Quick view
Compare

FAXON BANTAM COMPLETE 9MM – UPPER RECEIVER 10.5″

AR15 Uppers
$492.20
FAXON BANTAM COMPLETE 9MM - UPPER RECEIVER 10.5"
Add to wishlist
Purchase & earn 492 points!Add to cart
Quick view
Compare

MI UPPER RECEIVER AR15 5.56MM – 10.5″ 1:7 CARBINE M-LOK NO BCG

AR15 Uppers
$579.95
MI UPPER RECEIVER AR15 5.56MM - 10.5" 1:7 CARBINE M-LOK NO BCG
Add to wishlist
Purchase & earn 580 points!Add to cart
Quick view
Compare

POF USA RENEGADE+ UPPER 5.56 10.5″ BLK

AR15 Uppers
$1,192.00
POF USA RENEGADE+ UPPER 5.56 10.5" BLK
Add to wishlist
Purchase & earn 1,192 points!Add to cart
Quick view
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!Add to cart
Quick view
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!Add to cart
Quick view
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!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