Precision Tuning. Reliability. Performance.
Whether you’re running a duty rifle, competition gun, hunting setup, or precision gas gun, every AR-platform rifle can benefit from proper tuning. At PK Gunsmithing, we specialize in optimizing the AR-15, AR-10, and other modern sporting rifles to deliver smoother operation, increased reliability, and improved accuracy.
Every rifle is evaluated as a complete system. From the gas system and buffer assembly to barrel harmonics and trigger performance, we ensure every component works together to maximize performance.

Complete AR Performance Services
Our approach goes beyond replacing parts—we diagnose how your rifle functions and make precise adjustments that produce measurable improvements.
Gas System Tuning
A properly tuned gas system is the foundation of a reliable AR. We optimize gas flow to reduce unnecessary recoil, improve cycling, and enhance long-term durability.
Services include:
- Gas block installation and alignment
- Adjustable gas block tuning
- Gas port evaluation
- Gas tube inspection and replacement
- Suppressed rifle optimization
- Reliability testing
Accuracy Enhancement
Precision starts with consistency. We inspect every component that contributes to accuracy and make corrections where needed.
Services include:
- Barrel installation and replacement
- Barrel nut timing and torque verification
- Muzzle device installation
- Precision headspace verification
- Free-float handguard installation
- Upper receiver truing (when applicable)
- Trigger installation and optimization
- Optic mounting and leveling
Recoil System Optimization
The recoil system plays a significant role in how an AR shoots. We tune buffer weights and spring combinations to produce a smoother recoil impulse while maintaining dependable function.
Services include:
- Buffer selection
- Spring upgrades
- Buffer tube installation
- Cycling diagnostics
- Reliability tuning
Custom AR Builds
Whether you’re building your first rifle or a purpose-built precision gas gun, we can assemble a rifle tailored to your intended application.
We build rifles for:
- Precision Gas Guns
- SPR / Designated Marksman Rifles
- Hunting Rifles
- Competition Rifles
- Defensive Carbines
- Suppressed Platforms
Every build is assembled with proper torque specifications, headspace verification, and function testing before delivery.
Diagnostics & Troubleshooting
Experiencing failures to feed, extraction issues, inconsistent accuracy, excessive recoil, or cycling problems?
Rather than replacing parts at random, we perform a comprehensive evaluation to identify the root cause and recommend the most effective solution.
Common issues include:
- Over-gassed rifles
- Under-gassed rifles
- Failure to extract
- Failure to eject
- Short stroking
- Feeding issues
- Bolt carrier timing problems
- Accuracy inconsistencies
- Suppressor-related cycling problems
Why Tune an AR?
Many factory rifles are intentionally over-gassed to ensure they function across a wide range of ammunition and environmental conditions. While reliable, this often comes at the expense of recoil, wear, and overall shootability.
Proper tuning can provide:
- Improved reliability
- Reduced felt recoil
- Faster follow-up shots
- Less component wear
- Cleaner suppressed operation
- Increased accuracy
- More consistent cycling
- Longer service life
The result is a rifle that performs more efficiently and gives the shooter greater confidence behind the trigger.
Why PK Gunsmithing?
At PK Gunsmithing, every rifle is treated as an individual system rather than a collection of parts. Our attention to detail, precision workmanship, and understanding of modern gas-operated firearms allows us to build and tune rifles that perform at their highest potential.
Whether you’re looking to eliminate cycling issues, tighten your groups, or build a custom precision AR from the ground up, PK Gunsmithing delivers solutions backed by experience and craftsmanship.
Get Your AR Running at Its Best
Whether you need a simple upgrade, complete rifle build, or professional performance tuning, PK Gunsmithing can help you get the most from your AR-platform rifle.
Contact us today to discuss your rifle, your goals, and how we can help you achieve peak performance.