Precision Upgrade for Your Sub-Compact Build: NQI PFSC Front Locking Block
The NQI PFSC Front Locking Block is designed to take your sub-compact builds to the next level with quality, tighter tolerances and a design that protects your investment. Made from American 17-4 stainless steel and precision CNC milled, this locking block is far stronger and more durable than MIM or stamped parts.
Unlike heat-treated blocks that can wear out your slide prematurely, this non-heat-treated design is intentionally soft. So the locking block takes the wear — and not your more expensive slide — and your build will last longer.
The tighter tolerances give you a tighter, more stable shooting experience right out of the box. For those who want absolute perfection, optional final honing can create a flat rail system from front to rear, but most builders find it ready to go.
Check out the videos in our manuals section if you’re ready to take your build to the next level.
Key Features
- ✅ 17-4 American stainless steel — corrosion resistant & tough
- ✅ CNC precision milled for tighter tolerances & accuracy
- ✅ Non-heat-treated design — the rail wears, not your slide
- ✅ Sub-compact optimized — for smaller platforms that need a precise fit
- ✅ Optional final honing for a match grade surface
- ✅ Made in the USA
Upgrade your sub-compact today with the NQI PFSC Front Locking Block and experience precision, durability and long term slide protection.
SHIPPING RESTRICTIONS
This item is restricted from shipping to California, Colorado, Connecticut, Hawaii, Illinois, Maryland, New Jersey, New York, Oregon, Rhode Island, Washington D.C, and the Pennsylvania cities of Philadelphia, York, and Reading.
