[Picchi]

I went on a web search to try and find every barrel upgrade possible. This is the list I found. Also added some of the other upgrades. This isn't an endorsement of any company just a list of available options that were located.

BARRELS

Bigshot Barrel for Spyder MR2

14" MR2 Barrel

12", 14" & 20" J&J Ceramic Barrels

14" LAPCO Bigshot

HammerHead barrel

6" barrel

3" barrel

M4 Carbine Barrel

Spyder MR2 M82A1 18 inch fluted sniper barrel

Trinity Spyder MR Accurate Barrels

BT M16 Spyder Barrel

BT AK47 Spyder Barrel

BT Apex Spyder Barrel Kit

Armson - MR2 Pro Barrel

Barrel Insert Kit

STOCKS

JCS RVA Combat Folding Stock

List of Folding Stocks & Other Accessories

Pro Team Spyder MR2 M4 F/X Stock

Spyder MR1, MR2, MR3 M4 Carbine Buttstock

Spyder-O Stock

SIDE RAILS

BT 45* Top Mounted Side Rail

Spyder MR2 Side Rail

TOP RAILS/ACCESSORIES

Spyder MR2 Carry Handle

Trinity Handle with side weavers

M16/M4 Scope Mount Base

MR2 Q-Loader Adaptor

EXPANSION CHAMBERS

MR2 AK-47 6 Stage Expansion Chamber

FEEDNECK

CCM/Sundragon MR1 & MR2 Feedneck Adapter

CCM/Sundragon Matching Feed Neck - Matt Black

BOARDS

Spyder Tadao Circuit Board

MR VerC T-Board

SIGHTS

Red-Dot-Sight Spyder MR2

TRIGGERS

Sundragon MR Trigger

Trinity MR Trigger

BOLTS

Alamo City Bolts

GRIPS

MR2 & MR3 Flux Wraparound Grips