Does a Suppressor Affect Accuracy?

• Do Suppressors Affect Accuracy? 
• Do Suppressors Reduce Range or Increase Velocity?
• The Science of Suppressors 
• Sighting in Your Rifle with a Suppressor 
• Ammo Selection 
• Suppressor Accuracy FAQ’s 
• Conclusion 

Short answer: yes—our testing shows a suppressor can improve practical accuracy. We also observed small muzzle-velocity gains that help with consistency and downrange performance. See the details below and how to re-zero smartly after mounting a can.

Does a suppressor affect accuracy? In our rifle and carbine drills, groups tightened and follow-up shots clustered better once the can was mounted, largely due to reduced recoil and steadier sight picture.

Yes. In both of our tests, we found that suppressors positively affected our accuracy. 

Test one was designed to determine how a silencer would affect a rifle's group size, also known as its dispersion. 

To test this, we set up our Aero Precision Solus (chambered in 6.5 Creedmoor), grabbed some precision ammo (140 grain Hornady ELDM), and shot five-round groups at 100 yards from a prone position. 

The first group was shot unsuppressed and had a respectable group at just over an inch. 

We repeated the test after attaching a SilencerCo Scythe Ti, a high-quality, precision-focused silencer. We noticed the group tightened up considerably to sub-MOA (less than 1" at 100 yards) performance. It is possible that the silencer did not change the mechanical accuracy but made the group easier to shoot by: 

• Reducing the recoil 
• Limiting scope movement 
• Reducing any flinching 

This test resulted in an improved group. 

Test two was designed to see if the suppressor improved follow-up shots. 

For this test, we used a Daniel Defense MK18 and M193 55-grain ammo and ran a Bill Drill (six shots as fast as possible) at 10 yards. 

We shot the first group with a bare muzzle. All six rounds landed on paper while shooting quickly.  

Then, we tossed on a CAT WB Ti and repeated the test. The grouping was much better. Garrett noted that the reduced recoil and limited reticle movement were the primary factors in the better group. 

In most setups, suppressors slightly increase muzzle velocity rather than slow the bullet, which can extend effective range. If you've ever played a first-person shooter video game such as Call of Duty, it is very common for the range stat to decrease when you equip a silencer to your firearm. 

In reality, this couldn't be further from the truth. 

A bullet's effective range is tied closely to its muzzle velocity. Generally, a bullet moving faster will be able to make impacts further out than a slow-moving round. 

Silencers tend to increase muzzle velocity, speeding up the bullet slightly and extending your range. This makes a suppressor a great accessory for your precision rifle: it tightens up your groups and gives you a bit more oomph to shoot further. 

While silencers might look simple from the outside, what's happening inside is complex. 

Suppressors work by using baffles, or a series of expansion chambers, to trap the combustion gases of a gunshot and allow them to cool and expand before venting into the atmosphere. This process drastically reduces gunshot noise and can influence accuracy.  Because modern silencers are well-made and have such tight tolerances, they behave very similarly shot-to-shot, and all great long-range shooters know that consistency is the key to accuracy. 

The baffles trap the gas the same way, and the bullet's flight path remains the same. This consistency translates to better dispersion and more hits at distance. 

Some folks have also speculated that silencer designs create less turbulence in the bore line, which could result in less influence on the bullet in flight and help accuracy. Because modern cans are built to tight tolerances, shot-to-shot gas behavior is consistent, which supports repeatable dispersion and accuracy.

Expect a point-of-impact shift after adding weight to the muzzle; always re-zero with the suppressor installed to lock in true dope.

If you want to achieve good accuracy, you need to use good ammo. 

Modern cartridges and technologically advanced projectile designs have helped shooters be more accurate now than ever. You can buy an off-the-shelf rifle, pick up some match-grade factory ammo, and hit consistently at 1000 yards. 

Most match ammo uses a tangent or hybrid ogive bullet with a high ballistic coefficient (BC) that aids in dispersion. These types of bullets work great in a silencer because they are very consistent and stable, so the chance of a baffle strike or damage from jacket separation is low. Match-grade loads with stable ogive designs pair well with suppressors, minimizing turbulence and helping avoid jacket issues or baffle strikes.

Does a suppressor affect accuracy?
Yes. Our live-fire tests showed tighter groups and better follow-up clusters with a can installed, mainly from reduced recoil and steadier optics.

Do suppressors increase velocity?
Typically a small bump. That slight increase in muzzle velocity can aid consistency and effective range.

Do suppressors add velocity or slow down a bullet?
They generally add a little velocity; they don’t slow the bullet in normal use.

Do suppressors increase muzzle velocity enough to matter for accuracy?
It’s modest, but combined with reduced recoil and less sight movement, the overall effect can improve practical accuracy and dispersion.

Do suppressors decrease velocity on pistols?
Not typically. Most hosts see a small increase; always confirm with your chrono and re-zero with the can mounted.

How do suppressors affect ballistics and point of impact?
Expect a POI shift from added muzzle weight and gas dynamics. Re-zero and note your “with-can” dope for consistency.

Do suppressors make pistols more accurate?
They can—especially when you re-zero with the suppressor and run quality ammo that’s compatible with your barrel and twist rate.

Should I re-zero after installing a suppressor?
Absolutely. Even when groups tighten, POI will often move; re-zeroing locks in reliable hits.

We've rigorously tested and confirmed that suppressors don't just reduce noise—they enhance shooting accuracy by improving the performance of rifles and making them easier to shoot effectively. Suppressors help shooters achieve tighter groupings and more consistent performance by reducing recoil. 

Our findings debunk myths about suppressors reducing range; instead, they can increase muzzle velocity and extend shooting distances while staying accurate. 

Always adjust your sights when attaching a suppressor, and use high-quality ammunition to maximize your firearm's potential. Whether for tactical applications, hunting opportunities, or precision shooting, a suppressor is a valuable addition for any shooter—and today’s buying process makes it easier than ever to shop for and own one.