18" AR15 5.56mm Special Purpose Rifle (SPR)
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LOWER RECEIVER
- Rock River Arms lower receiver
- Timney Impact single-stage trigger
- Timney ambi safety
- Magpul ASAP endplate
- Ergo grip
- Magpul CTR stock
UPPER RECEIVER
- Aero M4 FDE upper receiver
- Geissele Mk8 13” rail in DDC
- Geissele Super Charging Handle in DDC
- Thermally fit and headspaced Ballistic Advantage 18” SPR nitride barrel in 5.56 with NP3 barrel extension
- Silencerco muzzle brake
- Geissele Low Pro gas block with jig dimpled and rockset set screws, and pinned.
- Ballistic Advantage C158 BCG
- Geissele Super Precision Scope mount with Vudu 1-6
- Magpul Pro offset sights