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Mated to rosco barrel - Rosco Manufacturing 5.56/.300 BLK Bolt Carrier Group (BCG)
by
Chris,
Verified Owner
from AR, United States
Written on March 24, 2026
Chris's Review of Rosco Manufacturing 5.56/.300 BLK Bolt Carrier Group (BCG)
I bought it to match the rosco barrel I bought. Works fine, and passes head space test. Dry lubed the bcg with tungsten disulfide and then oiled it to for extra lubricity.
Pros:
Quality
Cheap
Cons:
None
Would Recommend:
Yes
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