I have received photos of the Remington 870 from my friend.

Here is the list of upgrades on this shotgun:
Knoxx Stock
Knoxx Forend
CDM Gear Clamp with rail
AMBI Tactical Sling Mount
Hogue HandAll Universal Grip
TacStar SideSaddle
Fenix TK12 Tactical Flashlight
FAB Defense 1″ Tactical Flashlight Mount – Quick Release

CDM, Fenix TK12, Knoxx Stock, FAB Defense, TacStar, Hogue

CDM, Fenix TK12, Knoxx Stock, FAB Defense, TacStar, Hogue

AMBI Sling Mount, CDM Gear, Fenix TK12 Tactical Flashlight, Knoxx Stock, FAB Defense, TacStar, Hogue

AMBI Sling Mount, CDM Gear, Fenix TK12 Tactical Flashlight, Knoxx Stock, FAB Defense, TacStar, Hogue

AMBI Sling Mount, CDM Gear, Fenix TK12 Tactical Flashlight, Knoxx Stock, FAB Defense, TacStar, Hogue

AMBI Sling Mount, CDM Gear, Fenix TK12 Tactical Flashlight, Knoxx Stock, FAB Defense, TacStar, Hogue

AMBI Sling Mount, CDM Gear, Fenix TK12 Tactical Flashlight, Knoxx Stock, FAB Defense, TacStar, Hogue

AMBI Sling Mount, CDM Gear, Fenix TK12 Tactical Flashlight, Knoxx Stock, FAB Defense, TacStar, Hogue

Useful information:
AMBI Tactical Sling Mount is compatible with Knoxx stock.
FAB Defense Flashlight Mount – is very convenient and easy to use with CDM Gear clamp.

Related Post:

Knoxx SpecOps Stock, Forend and PowerPak Review (Photos and Video)