ASG M40A3 McMillan Proline Upgrades: Troubleshooting & Final Build

BySniper Mechanic April 24, 2026 Reading Time: 1 minute

Following up on my full disassembly and technical review, I’m diving deep into the upgrade process for the ASG M40A3 McMillan Proline.

This isn’t a “drop-in and done” build. In this video, I walk you through the specific high-end components I’ve chosen, the unique compatibility hurdles I faced with this specific platform, and the custom solutions I used to get everything running perfectly.

If you missed the first part where I take this rifle apart, check it out here: https://youtu.be/sgCfjUJP9Lo

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Guides | VSR 10

JG Gspec Upgrade Build Part 1: Power and Durability

BySniper Mechanic November 18, 2016February 6, 2023 Reading Time: 8 minutes

Introduction: I recently picked up a JG Gspec as a cheap base gun to do a build guid/upgradee on. I Sniper Rifle was purchased from https://www.airsoft-entrepot.fr/ , I recommend them as they are good on pricing and customer service, delivery is a fixed cost of €19.90 which is good if you’re buying a RIF or…

Adventures

Sniper Ops: Coyote Challenge

BySniper Mechanic June 3, 2017October 4, 2021 Reading Time: 16 minutes

So, for those of you who may have missed it, this weekend I went to my first Sniper Ops event, “Coyote Challenge”. This was a 24-hour game, with 3 teams of 2 Sniper Operatives and 1 Counter Sniper. This is the first 24-hour event I’ve ever done and let me tell you, the most gruelling…

Videos | VSR 10

CYMA CM701 Trigger Upgrade

BySniper Mechanic July 18, 2023September 24, 2023 Reading Time: 1 minute

On this weeks video I’ll be starting on episode 1 of my CYMA CM701 series of videos, this particular video i’ll be looking at installing an upgraded 90 degree trigger, the Springer Custom Works V9.3, which I’ve done a review on here. For those that don’t know, the CYMA CM701 is one of the better…

Ghillie Crafting Materials

HaloScreen

BySniper Mechanic July 12, 2019October 4, 2021 Reading Time: 3 minutes

HaloScreen: HaloScreen is a kind of soft mesh material that you can get in a few varying shades of green, it’s very light, stretchy and due to being mesh, semi opaque. Due to the characteristics of the material it’s a good addition to most Leaf Suit builds and is great at bulking out the suit…

Ghillie Crafting Materials

Mantis Concept Brothers : Ghillie Crafting Materials

BySniper Mechanic August 20, 2021October 4, 2021 Reading Time: 5 minutes

Firstly let me start by saying a huge thanks to Sascha over at Mantis Concept Brothers for sending me over some of the Ghillie Crafting Materials he has to offer. As as avid crafter myself, I’m always on the lookout for new materials or alternatives to what I already use. After speaking with Sascha he…

Gear | Reviews | Videos

My Thoughts on the KMCS Hide HOLSTER

BySniper Mechanic January 16, 2023February 6, 2023 Reading Time: 1 minute

In this video review, I’ll be taking a quick look at the newest piece of gear from Kicking Mustang, the KMCS Hide holster. I’ll be covering my initial thoughts, fitting, materials etc. KMCS Hide Holster review: Over on YouTube I’ve done a video on the KMCS hide holster, showing how it fits, how I’ve personally…

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