Bosch PR20EVSK User Manual download pdf (Page 6)

www.ModulusArms.com

October 20, 2014

www.ModulusArms.com | AR-308 Jig Instructions

Figure 5: Depth gauge used to set the drill depth and end mill depth

The following parts are required to complete the jig and can be purchased as an optional kit:

1. ¼” x 4” 4-flute End mill with 1” Depth of Cut

2. 3/8” Drill Bit (fire-control, rear-shelf, and safety

selector)

3. 19/64” Drill Bit (trigger slot)

4. 5/32” Drill Bit (hammer/trigger pin)

5. 3/8” Drill Stop

Figure 6: Optional kit required to finish the lower

The following tools are required / recommended (examples shown in the figure below):

1. Router (full size or laminate)

2. Drill (hand drill or drill press)

3. Vise (drill press shown)

4. 3/64” Allen Wrench (for drill stop)

5. 3/32” Allen Wrench (8-32 cap screws)

6. Front Take Down (pin, detent, & spring)

7. C-clamp (optional if vise is not mounted)

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Bosch PR20EVSK User Manual Page 6