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Questions & Answers
Will this BCG work with a aero precision ar10? Expert Answer

Yes, it will work with Aero's M5 uppers. We highly recommend head spacing the bolt when building an AR-10 piece by piece.

by Armando R., Gear Expert, June 26, 2021
AR-10 aka Armalight, and Aeroprecision are high profile type all others are DPMS Low profile, bolt carriers don't interchange so how can this do both? Manufacturer Answer

The TRYBE AR-10 .308 BCG is the DPMS configuration. It is compatible with any upper that follows the DPMS pattern. However, It will not work with an Armalite upper.

by TRYBE, Manufacturer, June 24, 2022
Customer Reviews
Expert Review
I have this nickel-boron BCG in my Remington R-25 in .308 Winchester. I replaced the OEM blue BCG with the TRYBE nickel-boron version since the old bolt was getting sloppy and harder to clean. This one works like a silver jackhammer into my chamber, ...
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4/4 found this helpful
Helpful Positive Review
Bought this BCG for converting my AR10 as a bolt action using a KaliKey; however, writing in terms of a normal functionting bcg, it worked normally. Issue i ran into was the one I bought was already used Lol. I mean great for not breaking the bank bu...
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4/4 found this helpful
Helpful Positive Review
308 bolt carrier group by Rod, July 13, 2024
Received my bolt carrier no issues great product great service.
2/2 found this helpful
Helpful Positive Review
308 bolt carrier by Rod, July 7, 2024
Excellent service. Fast delivery. Best price. Thank you.
1/1 found this helpful
Helpful Positive Review
Great bolt, great price by Gooch, Verified Owner, December 4, 2024
Picked this up on a Black Friday deal. Very good quality. Very happy!
1/1 found this helpful
Helpful Positive Review
trybe defense lr-308 bcg by Dreadloc28, Verified Owner, May 1, 2025
Nice 308 bcg very please with this bcg.. Would highly recommend this proct building ar10 pistol/rifle
1/1 found this helpful
Read All 74 Reviews
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Product Info for TRYBE Defense LR-308 DPMS .308 Complete Bolt Carrier Group (BCG)

Equally eager to lock into battery your finest .308 Winchester, MIL-SPEC 7.62x51mm NATO surplus ammo, 6.5 Creedmoor, .338 Federal, and other .308-based cartridges, our TRYBE Defense complete LR-308/DPMS bolt carrier group is ready for any hardcore test. MIL-SPEC parts and unsurpassed quality control means each individual component works together flawlessly for the smoothest operation and the longest life possible. This fully assembled Bolt Carrier Group from TRYBE Defense includes the complete bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin. Every Bolt is made from AISI 9310 High Pressure Torsion (HPT) and Magnetic Particle Inspected (MPI) steel, and our carrier is machined from ultra-durable and corrosion-resistant AISI 8620 steel before being polished and hardened to MIL-SPEC conditions to provide you with years of reliable service.image

This complete Bolt Carrier Group is sure to satisfy even the most demanding operator. Choose the functional hardcore value of our black nitride BCG, or the gleaming and easily cleaned nickel boron coated version. Our TRYBE Defense .308 BCG headspaces perfectly with your favorite LR-308/DPMS pattern barrel for flawless function and reliability you can count on. For maximum accuracy, pair with our TRYBE Defense LR-308/DPMS Flagship Heavy Stainless Fluted Barrels. When reliability, accuracy, and value come together, you’ll find TRYBE Defense.

 

If you like what you see, click on the links below to view a wide variety of our best-in-class offerings from TRYBE Defense, TRYBE Optics, and TRYBE Tactical. TRYBE has hard-core offerings ready to augment your favorite firearm or next custom build that offer superb performance, keeping in mind your hard-earned dollar.

TRYBE Defense Gun Parts and Accessories, Gunsmithing Equipment, Personal Protective Equipment, Pistol Parts, Rifle Parts, and Triggers

TRYBE Optics Binoculars, Night Vision, Rangefinders, Red Dot Sights, Riflescopes, and Weapon-Mounted Accessories

TRYBE Tactical Apparel, Eyewear, Gun Cases, Hearing Protection, Holsters, Magazine Pouches, Plate Carriers, and Range Bags

WARNING: California`s Proposition 65

Specifications for TRYBE Defense LR-308 DPMS .308 Complete Bolt Carrier Group (BCG):

Manufacturer: TRYBE Defense
Fabric/Material: AISI 8620 Steel
Caliber: .338 Federal, 7.62x51mm NATO, 6.5mm Creedmoor, .308 Winchester
Gun Model: DPMS LR-308
Weight: 18 oz
Condition: New
Additional Features: Rockwell Harness - 78-80 HRc

Features of TRYBE Defense LR-308 DPMS .308 Complete Bolt Carrier Group (BCG):

  • Fully assembled Mil-Spec Bolt Carrier Group BCG; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin
  • Every Bolt is High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI)
  • AISI 8620 Steel Nitride-Treated Bolt Carrier
  • AISI 9310 Steel Nitride-Treated Bolt
  • Shot Peened
  • Nitride-Treated Gas Key Extractor
  • Enhanced Firing Pin Retaining Pin
  • Enhanced Ejector
  • Enhanced Extractor Pin
  • Gas Key Properly Staked
  • Forward Assist Serrations
  • Bolt Firing Pin Built to High Pressure Configuration (Nickel Boron model)

Package Contents:

  • TRYBE Defense LR-308 DPMS .308 Complete Bolt Carrier Group (BCG)

TRYBE Defense LR-308 DPMS .308 Complete Bolt Carrier Group (BCG) Orderable Models

List of Orderable Models

  • TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nickel Boron, BCG308-NB , MPN: BCG308-NB , UPC: 810030581451 , Code: TRB-BCG-TDBCG308-BCG308-NB
  • TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nitride Black, BCG308-QPQ , MPN: BCG308-QPQ , UPC: 810030581444 , Code: TRB-BCG-TDBCG308-BCG308-QPQ

TRYBE Defense LR-308 DPMS .308 Complete Bolt Carrier Group (BCG) Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nitride Black, BCG308-QPQ , MPN: BCG308-QPQ-DEMO , Code: TRB-BCG-TDBCG308-BCG308-QPQ-DEMO
  • USED TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nitride Black, BCG308-QPQ, EDEMO4, Condition Fair, Other , MPN: BCG308-QPQ-EDEMO4 , Code: TRB-BCG-TDBCG308-BCG308-QPQ-EDEMO-OT-D
  • USED, TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nickel Boron, BCG308-NB , MPN: BCG308-NB-EDEMO , Code: TRB-BCG-TDBCG308-BCG308-NB-EDEMO-OT-U
  • DEMO, TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nickel Boron, BCG308-NB , MPN: BCG308-NB-DEMO , Code: TRB-BCG-TDBCG308-BCG308-NB-DEMO
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