Upgrading FX IMPACT M4: Hammer Weight, Barrel Tensioner & Dual Bottle | FX Impact M4 Series pt. 3

In this episode of the FX Impact M4 Series, I continue upgrading my FX Impact M4 with some exciting new parts! In this video, I install a heavier hammer weight, a barrel tensioner, and the dual bottle adapter from Saber Tactical. I’ll share my experience with installing each of these components and how they impact the performance of the rifle. Most importantly, I’ll be testing the results by shooting the M4 at 100 yards to see how these upgrades affect accuracy, consistency, and overall power. Don't miss this in-depth look at how these modifications can take the FX Impact M4 to the next level!

TUNING THE FX IMPACT M4 - 3 Methods | FX Impact M4 Series pt. 5
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TUNING THE FX IMPACT M4 - 3 Methods | FX Impact M4 Series pt. 5

FX Impact M4 AMP regulator ultimate spring washer stack and troubleshooting reg creep issue
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FX Impact M4 AMP regulator ultimate spring washer stack and troubleshooting reg creep issue

SIG SAUER CROSS SAWTOOTH 7 PRC REVIEW | Is this the best Factory Rifle?
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SIG SAUER CROSS SAWTOOTH 7 PRC REVIEW | Is this the best Factory Rifle?

JANITOR vs THE BIGGEST GUY IN THE GYM. HE Didn’t Expect THAT
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JANITOR vs THE BIGGEST GUY IN THE GYM. HE Didn’t Expect THAT

FX IMPACT M4: 1st Stage Regulator Install: Is It Worth It? | FX Impact M4 Series pt. 4
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FX IMPACT M4: 1st Stage Regulator Install: Is It Worth It? | FX Impact M4 Series pt. 4

FX IMPACT M4: The New Features, Setup and 100 m Accuracy Test | FX Impact M4 Series pt. 2
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FX IMPACT M4: The New Features, Setup and 100 m Accuracy Test | FX Impact M4 Series pt. 2

Their ⚡️ Speed Blew Me Away | ft. Jerry & Lena Miculek
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Their ⚡️ Speed Blew Me Away | ft. Jerry & Lena Miculek

We Ranked 10 Battle Tanks In UKRAINE, Worst to Best
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We Ranked 10 Battle Tanks In UKRAINE, Worst to Best

FX M4 Showdown: Slug Slinger vs. Pellet Pusher
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FX M4 Showdown: Slug Slinger vs. Pellet Pusher

Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers
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Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers

How to Swap Liner | FX IMPACT M3
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How to Swap Liner | FX IMPACT M3

FX Impact M4 (Review) +FX M4 Tuning Guide (Impact Mk4 Sniper 700mm)
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FX Impact M4 (Review) +FX M4 Tuning Guide (Impact Mk4 Sniper 700mm)

FX impact M4 Titanium regulator  high flow piston testing
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FX impact M4 Titanium regulator high flow piston testing

EVERYTHING You Need To Know: 800mm Barrel, Tensioner, PowerBlock & Tungsten Hammer
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EVERYTHING You Need To Know: 800mm Barrel, Tensioner, PowerBlock & Tungsten Hammer

Top 7 Best Scopes for PCP Air Rifles in 2026 – The Truth About Long-Range Airgun Optics
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Top 7 Best Scopes for PCP Air Rifles in 2026 – The Truth About Long-Range Airgun Optics

HOW TO FIX FX IMPACT MK1-M4 LEAKING IN BOTTLE, REGULATOR, POWERPLENUM // FULL DISASSEMBLY
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HOW TO FIX FX IMPACT MK1-M4 LEAKING IN BOTTLE, REGULATOR, POWERPLENUM // FULL DISASSEMBLY

NAVY SEAL SNIPER vs. HUNTERS - Long Range Competition!
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NAVY SEAL SNIPER vs. HUNTERS - Long Range Competition!

FX Impact M4 vs DRS Pro – Accuracy, PRS & Real Differences | FX Impact M4 Series pt. 31
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FX Impact M4 vs DRS Pro – Accuracy, PRS & Real Differences | FX Impact M4 Series pt. 31

Can A 50 Cal REALLY Hit A Melon At A Mile? (The Accountant Movie Test)
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Can A 50 Cal REALLY Hit A Melon At A Mile? (The Accountant Movie Test)

FX Impact M3 MKII Hammer Upgrades : when we need them or do we?
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FX Impact M3 MKII Hammer Upgrades : when we need them or do we?