Rifle/9mm Caliber Conversion Kits

Looking to use your current DFA MCS on another build?

Select which kit you would like to convert too. 

Rifle caliber kit includes modified bcg, rifle cal spring cap, and red plunger/recoil springs.

NOTE: When swapping your 9mm to rifle cal, you will need to remove the rubber bumper inside the end cap and spring cap prior to installation. 

9mm kit includes selected bcg, spring cap, black plunger/recoil springs, and rubber bumper. 

For installation help, please see pictures at our INSTALLATION tab. 

This is only for the 2.5 MCS kits. If you wish to swap your 4 inch kit, for 9mm going to rifle caliber, you will swap bcgs, remove the rubber bumper in the end cap and the stainless steel spring cap. Start with Blue plunger and blue recoil springs. 

For 4" rifle caliber to 9mm, you will need to purchase a rubber bumper for the end cap, 9mm stainless steel spring cap, swap bcgs, and start with Black plunger and black recoil spring. 

For additional questions, email us at info@deadfootarms.com 

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Outerwild Outpost Rifle Caliber BCG 

The Modified Cycle System MILSPEC Complete Bolt Carrier Group is a shortened version of the MILSPEC M16A2 Full-Auto BCG

BCG weight- 9.2 oz. BCG length- 5.3"

Intended for use with the Dead Foot Arms Modified Cycle System®

M16 Style Carrier

• Machined from 8620 Steel
• Heat Treated
• Final Grind Before Plating
• Blacknitride+™ by H&M

56/.223 Bolt

• Machined from 9310 Steel
• Heat Treated
• Shot Peened
• MPI
• Blacknitride+™ by H&M

Cam Pin

• Machined from 4140 Steel
• Heat Treated
• Blacknitride+™ by H&M

Firing Pin 

• Machined from 8640 Steel
• Blacknitride+™ by H&M
• 100% American Made

Bootleg BCG

• Complete bolt carrier group.
• Machined from S7 Tool Steel
• Lithium Isonite Coating
• 4 Setting Adjustable Vent System relieves excess gas pressure created from suppressor use creating longer dwell time and less blowback to the shooter
• Gas Adjustment can be turned while installed in the rifle
• Uses all standard MIL-SPEC components
• Staked MIL-SPEC Gas Key
• Adjustment Pin is easily removed for cleaning
• Full Auto Rated
• This is only recommended to be used for 5.56, .223. 300blkout
• It has been modified to fit the Dead Foot Arms MCS system and will only work in 2.5 kits

9mm Outerwild Outpost BCG:

• 8620 Single Piece Bolt
• 9mm
• Blacknitride+™ by H&M
• Heat Treated
• AR15 Style Extractor
• 17-4 Stainless Steel Firing Pin with Spring
• Functions with all AR15 Style PCC Systems Including:
• Glock Style Magazine
• Colt Style Magazine
• Endomag
• MP5/MP9
• 100% American Made