Current lead time for custom uppers is 4 weeks
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BCM/Rosco 12.5" Budget Build

$0.00
BCM Blem Upper and 12.5" Rosco K9 Sage Dynamics Barrel
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Products specifications
Barrel Length12.5"
Chamber5.56
Gas Block Journal.750"
Barrel Material416R Stainless
Twist Rate1:7
Thread Pitch1/2x28
T-MarksYes
Gas System LengthRosco "patrol length"
Complete UpperYes (Forward assist & ejection port cover included)
Avg FPS 55 GR (5 Shot)2859.5 | Winchester M193
SD 55 GR (5 Shot)21.9
ES 55 GR (5 Shot)59.8
Avg FPS 62 GR (5 Shot)2806.7 | Winchester M855
SD 62 GR (5 Shot)30.3
ES 62 GR (5 Shot)90.8
Avg FPS 77 GR (5 Shot)2418.1 | AAC OTM
SD 77 GR (5 Shot)30
ES 77 GR (5 Shot)81.5
Group Size 77 GR (5 Shot @100yd)1.155 MOA