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UTG Pro® AR15 Ops Ready S1 Mil-spec Stock Kit, Black. Official model RBUS1BM. 922R Compliant: Yes; Buffer Weight: Standard Carbine (3.0 oz); Color(s): Black; Compatible with: AR15
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UTG PRO AR15 Ops Ready S1 Mil-spec Stock Kit, Black
| 922R Compliant | Yes |
|---|---|
| Buffer Weight | Standard Carbine (3.0 oz) |
| Color(s) | Black |
| Compatible with | AR15 |
| Extension Tube Compatibility | Adjustable extension |
| Material Surface Finish | Anodized |
| Materials | Aluminum/Polymer |
| Stock Positions | 6-Position |
| Torque Specification | 35–40 ft-lbs castle nut |
| Weight | 23.1 oz (654.9 g) |
| Height | 5.5 (140 mm) |
| Length | 8.1 in (205.75 mm) |
| LOP Adjustment Increment | .625 in (15.9 mm) |
| LOP Collapsed | 11.3 in (282.7 mm) |
| LOP Extended | 14.6 (370.8 mm) |
| Width | 2.2 in (55.9 mm) |
Official model: RBUS1BM
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K.T.Tactical provides model verification, compatibility guidance, and preorder assistance.