Home / Custom Shop / Gas Block Pinning
// SOT Custom Shop · Services
Gas Block Pinning
Gas block installed, the barrel dimpled for its set screws, and the block pinned to the barrel. The gas system is where most field failures start; pinning the block takes one of them away.
- $55
- Dimpled and pinned
- Split, coiled or spiral pin
- About a week
// How it works
Three steps
1 · Order online
Tell us the barrel, gas block and pin you want, then check out. Return shipping is calculated at checkout.
2 · Ship the parts
When our email with shipping instructions arrives, send the barrel, gas block with its hardware, and barrel nut. A gas tube and the upper receiver are optional.
3 · Installed, pinned, returned
The barrel is dimpled, the block installed and pinned, and the parts shipped back.
// Pricing
Prices
| Service | Price |
|---|---|
| Gas block install, dimple and pin — split pin | $55.00 |
| 1/8″ stainless coiled pin, Geissele spiral pin or RIFLESPEED spiral pin | +$5.00 |
| Pin through the top instead of the bottom | +$15.00 |
| Return shipping | Calculated at checkout |
// Before you send it
Good to know
What to send. Barrel, gas block with its hardware, and barrel nut. A gas tube and upper receiver are optional.
Bottom is normal. The pin normally goes through the bottom of the block. A top pin is available.
Where we can return it. We do not ship barrel assemblies to California, Connecticut, Delaware, the District of Columbia, Hawaii, Illinois, Maryland, Massachusetts, New Jersey, New York, Rhode Island or Washington, or to Denver, Colorado, or Cook County/Chicago, Illinois.
// Request
Send a request
Fields marked * are required. This is a request, not an order — nothing is charged here.
// More from the Custom Shop
Second of Ten is not affiliated with or endorsed by the makers of any product named here. LMT®, MRP™ and MWS® are marks of Lewis Machine & Tool Company. Other product names are marks of their respective owners.