The 13.7” upper receiver group is packed with great features. Built with the same high quality components, meticulous attention to detail, and extra services that have given BRD Gun Works our reputation for delivering performance and dependability, you can’t beat it at this price.
This 13.7” upper receiver group is the perfect option for an evenly capable SBR/ RECCE build. It is designed to give the shooter maneuverability at close quarters yet allow you to get first round impact hits as far as 300 yards. The gas system has been designed to give the platform a non-turbulent operation while not sacrificing proper dwell times. This barrel is perfectly suited for your next expeditionary/ entry rifle build.
BRD Gun Works upper receiver groups come without the bolt and carrier group, as well as the charging handle unless ordered with the upper receiver group. Some shooters have different needs and decide on using different carriers and charging handles. Whether it is budgetary reasons or that they simply want to run another brand we won’t judge them. Our upper receiver groups will run perfectly regardless.
Upper receiver group is Test Fired before Shipping.
Barrel:
Rosco Manufacturing 13.7” 416R 1:8 Barrel
Caliber: 5.56 NATO Chamber
Barrel Steel: 416R
Barrel Profile: Government
Weight: 23.60 Ounces
Twist Rate: 1:8 Twist
Barrel Crown: Step Crown
Thread Pitch: 1/2-28 Threaded Muzzle
Gas Block: .750″ Gas Block Journal with appropriately sized gas port
Mid-Length Gas System
Barrel Finish: 80 Grit Bead Blast
Barrel Extension: Nickel Boron
Upper Receiver:
Material: Mil-Spec 7075-T6 aluminum
Exterior Finish: Hard Coat Anodized per Mil-A-8625F, Type III, Class2
Interior Finish: Dry Film Lube on interior bore per Mil-Specs
M4 Feedramps
Barrel Extension: Thermal Fit
T-Marks: Engraved T-Marks
Rail System:
BCM MCMR with M-Lok
Handguard Material: 6061 T6 aluminum
Length: 13.00”
Weight: 10.5oz (Rail, Barrel Nut, Mounting Screws)
Barrel Nut: Steel
Handguard I.D.: 1.3″
Thermal Fit of Handguard to the Barrel Nut
M-Lok Slots at 1,3,5,6,7,9,11 O’Clock
Continuous Top Rail at 12 O’Clock
Gas Block: SLR low-profile gas block made from 4140 Steel and Nitride Treated
Gas Tube: Faxon Stainless Steel
Muzzle Device: A2 flash hider
Extras:
Polished feedramps
Dimpled barrel for gas block set screws
External knurled gas block set screws installed
Stainless steel gas tube roll pin installed
Bolt Carrier Group (purchased as an option with the URG):
M16 8620 Tool Steel Carrier
Carrier is Nitride Finish
Carpenter 158 Steel Bolt
Heat Treated
Shot Peened
HPT Bolt – High Pressure Tested
MPI Bolt – Magnetic Particle Inspected
S7 Tool Steel Extractor
Sprinco Extractor Spring & Insert
Sprinco Ejector Spring
8620 Hard Chrome Internal Gas Key Hardened to USGI Specifications
OCKS (Optimized Carrier Key Screws) Fasteners
Key Staked Per Mil-Spec using 620 Loctite
17-4 Stainless Firing Pin
8620 Cam Pin
Machined to USGI Specifications
Bolt Comes Pre-Lubed with Cherrybalmz BRB
FREE GAS RINGS, EXTRACTOR SPRINGS, & EJECTOR SPRINGS FOR LIFE!
Extras:
Bolt carrier group assembly has been gauged and inspected
Ejector has been chamfered and polished
Extractor has been polished
Firing pin hole and ejector tunnel opening has been de-burred
Each bolt carrier group is hand assembled
Each BCG is individually test fired with 5 rounds and the BCG will ship as is. The BCG was lubed and might be dirty from the test firing procedure.
*Lifetime Guarantee covers manufacturing defects in materials and workmanship, regardless of the age of the product, but it does not cover normal wear and tear. Wear and tear is damage that naturally and inevitably occurs as a result of normal use.
ALL NFA RULES APPLY!!
Headspace Checked and Verified to BRD BCG.
All of our uppers have had 5 rounds fired through them. They will come with some slight marks on the upper receiver, as well as the BCG and charging handle (should you opt to purchase these separately from the upper receiver group), but rest assured all parts are new. This is done for several reasons, 1) to make sure the upper passes our function test, 2) refer to number one. The upper will not be cleaned after the 5 rounds.
*Lifetime Guarantee covers manufacturing defects in materials and workmanship, regardless of the age of the product, but it does not cover normal wear and tear. Wear and tear is damage that naturally and inevitably occurs as a result of normal use.
The use of reloaded or remanufactured ammunition will void the warranty, due to the unpredictability of the standards (SAMMI/NATO) adhered to, since reloads of poor quality ammunition may not meet (SAMMI/NATO) specifications, may exceed limits, and therefore may be unsafe.
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