Carlson’S Choke Tubes LLC Carlson Shotgun Magazine Extension Assemblies 8-shot Remington 870/1100
$60.21
Add extra rounds to your Remington 870 or 1100 shotgun with this 8-shot magazine extension tube from Carlson. Durable blued steel construction for reliable performance.
4 in stock
Add firepower to your favorite shotgun. These magazine extensions are constructed of blued solid steel and come with spring base clamp and a high visibility follower. The threaded tube replaces you magazine cap and gives you the ability to add extra rounds to you magazine. Easy to follow instructions are included. The magazine extension tube is great for home protection competition shooting and law enforcement.
| Weight | 0.700 lbs |
|---|---|
| Dimensions | 11.850 × 4.650 × 2.250 in |
| Manufacturer | Carlson’S Choke Tubes LLC |
| Finish | blued |
| Material | blued solid steel |
| Compatible With | Remington 870/1100 |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

Reviews
Clear filtersThere are no reviews yet.