FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
You May Also Like
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
(39)
List: $12.95 $10.79 Save Up to $263.00
Duramag SS AR-15 Rifle Magazine, 5.56/.300BLK, 20 Round, Black w/Orange Follower, 1 Pack, Stainless Steel, 2023041178CPD-20RD
Duramag SS AR-15 Rifle Magazine, 5.56/.300BLK, 20 Round, Black w/Orange Follower, 1 Pack, Stainless Steel, 2023041178CPD-20RD
(3)
List: $28.99 $24.49 Save $4.50
FAB Defense Ultimag 30R Magazine, M-16/AR15, 30 Rounds, Black, 1S0-RM-EIQ76C-FX-UMAGR30-30RD
FAB Defense Ultimag 30R Magazine, M-16/AR15, 30 Rounds, Black, 1S0-RM-EIQ76C-FX-UMAGR30-30RD
(6)
List: $19.99 $16.99 Save $3.00
Blazin' Deal TRYBE Defense Complete Bolt Assembly, AR-15, Mil-Spec, 5.56 NATO/.223 Rem/.300 Blackout, Nickel Boron Coated, TRDBOLTASNIB
TRYBE Defense Complete Bolt Assembly, AR-15, Mil-Spec, 5.56 NATO/.223 Rem/.300 Blackout, Nickel Boron Coated, TRDBOLTASNIB
(25)
List: $72.99 $38.42 Save $34.57
Clearance TRYBE Defense Bolt Assembly Completion Group, AR-15, Mil-Spec, 5.56 NATO/.223 Rem/.300 Blackout, Nickel Boron, TRDBOLTASCOMP
TRYBE Defense Bolt Assembly Completion Group, AR-15, Mil-Spec, 5.56 NATO/.223 Rem/.300 Blackout, Nickel Boron, TRDBOLTASCOMP
(30)
List: $124.99 $64.99 Save $60.00
Clearance TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nitride Black, BCG308-QPQ
TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nitride Black, BCG308-QPQ
(73)
List: $199.99 $99.99 Save Up to $100.00
Blazin' Deal TRYBE Defense Cowl Induction Muzzle Brake, 5.56/.223 Remington, 5/8x24, Black, TRBCIB55658x24
TRYBE Defense Cowl Induction Muzzle Brake, 5.56/.223 Remington, 5/8x24, Black, TRBCIB55658x24
(39)
List: $132.99 $37.49 Save Up to $145.50
Free 2 Day Shipping TRYBE Defense Low-Mass AR-15 5.56 Complete Bolt Carrier Group BCG, Black Nitride, BCG556-LM
TRYBE Defense Low-Mass AR-15 5.56 Complete Bolt Carrier Group BCG, Black Nitride, BCG556-LM
(9)
List: $194.99 $149.99 Save $45.00
Free 2 Day Shipping TRYBE Defense AR-9 9mm Complete Bolt Carrier Group BCG, High-Polished Black Chrome Nitride, BCG9MM-BC
TRYBE Defense AR-9 9mm Complete Bolt Carrier Group BCG, High-Polished Black Chrome Nitride, BCG9MM-BC
(33)
List: $204.99 $154.99 Save Up to $50.00
Blazin' Deal TRYBE Defense AR-15 .223 Remington/5.56mm NATO A2 Flash Hider, black, A2FH556
TRYBE Defense AR-15 .223 Remington/5.56mm NATO A2 Flash Hider, black, A2FH556
(14)
List: $16.99 $9.99 Save Up to $13.90
Questions & Answers
Will this work on the .300 blackout rifle? Expert Answer

Yes it should work on the .300 blackout rifle.

by Brandon B, Gear Expert, September 2, 2021
Is this a nickel boron bolt carrier group including bolt and firing pin? Expert Answer

Yes, that includes the bolt and firing pin.

by Ethan C., Gear Expert, April 8, 2018
Customer Reviews
Helpful Positive Review F-1 Durabolt in Rosegold by OFF3ND3R, Verified Owner, October 23, 2018
I have a few different brands of AR platform rifles and carbines. I like all of them, and all of them function very well. The weapon I have this bolt carrier group in is also an F-1 chassis so it seemed logical to put an F-1 bolt into it. Well logic ...
Read More...
7/7 found this helpful
Helpful Positive Review Incredible BCG by BCM-RN, August 9, 2019
I was on the fence about whether or not to buy this bcg and eventually just went for it. Best decision ever. It functions incredibly and reliably just as advertised, and when it comes to cleaning this is an absolute dream. Carbon basically wiped righ...
Read More...
3/3 found this helpful
Helpful Positive Review F-1 firearms 5.56 gold tin durabolt bolt carrier group by Tom, Verified Owner, November 1, 2017
Slick as snot no issues thus far in my bcm rifle and love that finish on the bcg goes so nice with my all black rifle easy to install and makes cleaning a lot faster plus its goooold (tin) nickel boron coated and made by a reailable company and avai...
Read More...
5/5 found this helpful
Helpful Positive Review F-1 Durabolt 5.56 Tin by Priv510, Verified Owner, March 20, 2020
I opted for the gold tin color and the finish is awesome. I have 500 rounds with no issue. Minor wear on the rails that have the most metal to metal contact but that’s expected after use. This is my first bcg that has a coating other than phosphate o...
Read More...
10/10 found this helpful
Helpful Positive Review F-1 Firearms never fails me. by Manny, Verified Owner, September 3, 2017
I order this bolt Carrie group from F-1 firearms because I never had a problem with their products, and so far it still that way. It runs smoothly at the range and fired over 1000 rounds already and had no issues with it. I recommend it to anyone tha...
Read More...
4/4 found this helpful
Helpful Positive Review In love with f1 by F1 bolt, December 11, 2017
Smooth, amazing looking, strong, and reliable. This is what comes to mind with this product. My only problem with f1 is it is gonna break your bank but quality is expensive... I have pretty much replaced 90% of my gun with f1 products I highly recomm...
Read More...
5/5 found this helpful
Read All 18 Reviews
4 Models Available
Color
All
Finish
All
Search
Click to select this item for your bundle offer!

Buy Together and Save

As low as $236.28
You Save Up to 11%
Receive $4.75 OP Bucks

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Watchtower Firearms Durabolt 5.56 Bolt Carrier Group (BCG)

Watchtower Firearms Durabolt 5.56 DB-556 Bolt Carrier Group BCG are designed for AR-15 platforms. Watchtower Firearms uses high quality coatings on these Bolt Carrier Groups to resist corrosion and provide excellent durability. Every Watchtower Firearms Durabolt 5.56 AR-15 Bolt Carrier Group BCG is made with precision CNC machining and subjected to thorough testing before being sent out for sale. Customize your rifle and start shooting with more accuracy and precision with an Watchtower Firearms Durabolt 5.56 AR15 BCG.image

Specifications for Watchtower Firearms Durabolt 5.56 Bolt Carrier Group (BCG):

Manufacturer: Watchtower Firearms
Caliber: 5.56x45mm NATO
Gun Model: AR-15
Condition: New
Country of Origin: USA

Features of Watchtower Firearms Durabolt AR15 Bolt Carrier Group BCG, 5.56:

  • Compatible with any Mil-Spec components
  • For AR-15
  • Direct impingement
  • Full auto rated M16/M4
  • 8620 high-grade steel
  • Chrome-lined interior
  • Carpenter 158 bolt with spring and ejector
  • 17-4 firing pin
  • Durabolt cam pin

Package Contents:

  • Watchtower Firearms Durabolt 5.56 Bolt Carrier Group

Watchtower Firearms Durabolt 5.56 Bolt Carrier Group (BCG) Orderable Models

List of Orderable Models

Watchtower Firearms Durabolt 5.56 Nato Silver Bolt Carrier Group BCG, Silver, DB-556-SIL-TTZ , MPN: DB-556-SIL-TTZ , UPC: 810085120872 , Code: 2R8-ABA-DB5-DB-556-SIL-TTZ
Watchtower Firearms Durabolt 5.56 Nato Gold Bolt Carrier Group BCG, Gold, DB-556-GLD-TTZ , MPN: DB-556-GLD-TTZ , UPC: 810085120865 , Code: 2R8-ABA-DB5-DB-556-GLD-TTZ
Watchtower Firearms Durabolt 5.56 Nato Bolt Carrier Group BCG, Graphite, DB-556-TB-TTZ , MPN: DB-556-TB-TTZ , UPC: 810085120896 , Code: 2R8-ABA-DB5-DB-556-TB-TTZ
Watchtower Firearms Durabolt 5.56 Nato Rosegold Bolt Carrier Group BCG, Rose Gold, DB-556-RGD-TTZ , MPN: DB-556-RGD-TTZ , UPC: 810085120889 , Code: 2R8-ABA-DB5-DB-556-RGD-TTZ

Watchtower Firearms Durabolt 5.56 Bolt Carrier Group (BCG) Unavailable & Discontinued Models

List of Unorderable Models

Watchtower Firearms Durabolt 5.56 Nitride Bolt Carrier Group BCG, Black, DB-556-BN , MPN: DB-556-BN , Code: 2R8-ABA-DB5-DB-556-BN
DEMO, Watchtower Firearms Durabolt 5.56 Nitride Bolt Carrier Group BCG, Black, DB-556-BN , MPN: DB-556-BN-DEMO , Code: 2R8-ABA-DB5-DB-556-BN-DEMO
Watchtower Firearms Durabolt 5.56 Nickel Boron Matte Bolt Carrier Group BCG, NiB, DB-556-NIB , MPN: DB-556-NIB , UPC: 853810006881 , Code: 2R8-ABA-DB5-DB-556-NIB
USED Watchtower Firearms Durabolt 5.56 Nato Silver Bolt Carrier Group BCG, Silver, DB-556-SIL-TTZ, EDEMO2, Used, Condition Like New , MPN: DB-556-SIL-TTZ-EDEMO2 , Code: 2R8-ABA-DB5-DB-556-SIL-TTZ-EDEMO2
USED Watchtower Firearms Durabolt 5.56 Nato Bolt Carrier Group BCG, Black, DB-556-TB-TTZ, EDEMO1, Condition Like New, Inspect and Rebox , MPN: DB-556-TB-TTZ-EDEMO1 , Code: 2R8-ABA-DB5-DB-556-TB-TTZ-EDEMO-RE-A
Compare (0)