$0 Hazmat Fee On All Primer & Powder Orders - STOCK UP NOW!

$0 Hazmat Fee On All Primer & Powder Orders - STOCK UP NOW!

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BROWNELLSBRN-4 416 Type Complete BCG Nitride

BRN-4 416 Type Complete BCG Nitride
Brownells #
078000710
MFR #
BRN-4 416 TYPE COMPLETE BCG
UPC
$299.99
No longer available
Specifications
Cartridge:
5.56x45 NATO,300 AAC Blackout,223 Remington
Carrier Type:
M16
Finish:
Black Nitride
Material:
Steel
Model Number:
BRN-4
Color:
Black
Make Model Fit:
Brownells.BRN-4;Heckler & Koch.416;Heckler & Koch.MR556
Restriction
Description

Made In The U.S.A.

Products marked with the Stars and Stripes are proudly made in the U.S.A.

Many customers have asked us to show which products are made in America, and we’ve begun working with our vendors to identify them. This information, however, is not available for all items nor does it imply that foreign merchandise is of lesser quality. We will continue to gather this information to assist our customers in making informed buying decisions, and will keep our website current with the latest information.

Guaranteed. Forever.®

We make purchasing and returning products as simple as possible. If you buy a product from Brownells and decide you don’t need it, don’t want it, or just don’t like it, we’ll take it back any time… with a few exceptions

Exceptions include: 

  • Firearms
  • Ammunition
  • Modified 80% frames & receivers 
  • Gun powder
  • Primers
  • Liquids
  • Limited Quantity/Hazardous items
  • Products that are subject to pending or implemented restrictions due to Federal, State, or Local regulation/legislation

All other products are Guaranteed. Forever.® you can easily identify these products by the Guaranteed. Forever.® Icon.

Guaranteed. Forever.

Guaranteed. Forever.® return policy applies to the product’s original owner along with proof of purchase. Any items returned within 45 days of shipment are entitled to a refund. Any items returned after 45 days of shipment will be issued store credit in the form of a Brownells Gift Card. If a Brownells/Sinclair product was purchased through another retailer as a new product we will require proof of purchase to replace or refund.  (Refund will be issued as store credit in the form of a Brownells gift card.)  

BRN-4 Complete Bolt Carrier Group for 416 Type Firearms This Completely assembled BRN-4 Bolt Carrier Group is ready to drop into HK® 416, MR556 or other compatible upper receivers & firearms. Utilizing high quality materials, finishes and inspection criteria, this BCG provides great value as a replacement or build component. The Brownells BRN-4 bolt is machined from high performance 9310 steel, heat treated, magnetic particle inspected for defects and finished in Black Nitride. The Black Nitride finish combined with the piston operating system makes for extremely simple cleanup. BRN-4 Bolt Carrier Group is designed to be compatible with standard AR-15 or M16 type triggers. Common AR-15 aftermarket drop-in, cassette or mil-spec type triggers will work with the BRN-4 BCG. The nitride finished, 8620 forged tool steel carrier operates smoothly in the upper, thanks to the high lubricity of the nitride finish. The integrated piston key removes any concern of staked gas keys working loose and makes for an extremely strong carrier. Also, by forging the carrier instead of machining from bar stock, the carrier has an extremely strong internal material structure. Includes Bolt with Extractor & Ejector assembly, Carrier (M16 type), Cam Pin, Firing Pin, Firing Pin Spring, Firing Pin Retainer. Carrier is compatible with 416 Type Firearms as well as MR556 Firearms (both military/LE & commercially available Heckler & Koch® Firearms).

Restricted Part
Please check with your state regulations for ownership of Restricted Parts. May require documentation.

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