Conversion Unit - Threaded Barrel / Combo Rail


Chamber Options:
Front Sight Options:
Rear Sight Options:
Magazine Options:
Spring Option:   Add a spare 10# recoil spring for use with high velocity ammos (Add $2.00)
Qty: - +
   - OR -   

All orders are being processed and shipped as quickly as possible and in the order that they were received. Current wait time is anywhere from 14 to 16 weeks.
Thanks for your support!

Our conversions are NOT designed for hyper velocity ammo (1400 FPS or greater). Use of this ammo will damage the slide and will not be covered under warranty. (ie:  CCI Stinger, Remington Yellow Jacket, Aguila Super Maximum etc.)

Full Description-

Nelson Custom Guns 1911 22lr Conversion Unit with an extended threaded barrel (1/2-28 threads with thread protector) and a Picatinny style rail with iron sights (combo rail).

Included in kit
Extended threaded barrel (A standard length barrel that is extended an extra .400" - Which is threaded with 1/2-28 threads and includes a thread protector)
2 Magazines (Your choice of configuration)
1 Slide Stop with Slide Stop Pin
1 Recoil Buffer
1 9# Recoil Spring
1 Take Down Tool
1 Mag Loading Tool
1 Single Pistol Hard Case
1 Spare 8# recoil spring
1 Spare Buffer

Front sight choices are - Standard, Patridge, Red fiber optic, Green fiber optic and Amber fiber optic

Rear sight is an Eliason style adjustable sight that is custome made to match the sight picture of a BoMar (Same size notch) and you have a choice of a square blade or the standard rounded blade (sometimes refered to as "dehorned") where the top outside edges are rounded.

*Some states limit/ regulate threaded barrels on firearms. Check your local laws before ordering.

Phil on 02/28/2021 10:31am
I shoot open-sight standing silhouette with my Nelson adapter. It added 2 points to my score compared to my M41!
Doug on 05/11/2020 01:03pm
I had a Matchdot II installed on it and after sighting it was awesome, but the actual upper worked flawlessly and the fit and finish was superb. The Upper and Larry are the Best!

Add Your Review

Your Name:
Email Address:
Note: HTML is not translated! Your email address will not be shared with anyone.
Your Rating: 5
Your Name:
Your Email:
Friends Name:
Friends Email:
Related Products
Barrel Weight or Compensator with adapter (Scope Rail or Combo Rail)
SKU: NCG-054
Price varies based on options.
5.0 Out Of 5 (5.0 on 1)
Barrel Weight or Compensator with adapter (Scope Rail or Combo Rail)