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Questions & Answers
Will this fit an SMLE no.1 mk3? The corners are completely square and without a proper radius they won't fit, I'm not going to Dremel my 1917 BSA. Expert Answer

This Pro Mag Enfield No. 1 MKIII .303 Rifle Magazine is designed to fit the Enfield #4-MK III (SMLE) .303 British cal only.

by Ethan, Gear Expert, September 23, 2022
Customer Reviews
Most Recent Reviews
Doesn’t fit, holds 8. by Appreciate the effort, Verified Owner, December 24, 2025
Mark 1 1945 III*. Magazine is too wide on the flanges and body to fit in the well. Only holds 8 rounds very tightly, doubtful it will cycle correctly.
Most Recent Reviews
Good Enfield magazine by Einarr, Verified Owner, January 15, 2025
The mag arrived in good condition, and slotted right into my SMLE. Feeds well. It is not a match for the original magazine shape-wise, it is a No4 rifle magazine with the second catch riveted on to make it work with the No1 MkIII. So if you aesthe...
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Most Recent Reviews
you get what you pay for by ThesupremeEdgelord, Verified Owner, August 1, 2024
It's definitely not the best magazine. i would still recommend getting an original, but for the price of one original, i can get two of these. i bought these for a buddy with a sporterized rifle with a short mag, and these are definitely better than ...
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Most Recent Reviews
Like a glove by Dan, November 18, 2023
It took some shopping around to find the right mag for my mark III and this is it! Fits like a glove and feeds smooth.
Most Recent Reviews
Nice OEM replacement by Chris, Verified Owner, May 28, 2023
This fit into my Enfield as intended. It has a nice fit and finish. It’s strong and easy to load. Goes in and out of gun easily. The finish is durable and feeds the rounds just as it should. I will be getting another one soon.
Read All 5 Reviews
Color:
Blued
Magazine Capacity:
10 Round
Caliber:
.303 British
Gun Make:
Lee-Enfield
Gun Model:
Lee-Enfield No 1 Mk 3
Quantity:
1

Code: KA0-RM-ENFLDM3RM-ENF-06-10RD

MPN: ENF 06

UPC: 708279005268

List: $33.99Save 12%
$29.89

Certain firearm magazines and extensions are subject to maximum capacity restrictions based on state and local laws. Currently, we are unable to sell these products to some locations. For a complete list of these restrictions, please visit our policy page.

By continuing with your purchase, you agree to adhere to all applicable laws and regulations.  

Product Info for ProMag Enfield No. 1 MKIII .303 British 10 Round Rifle Magazine

This replacement or spare magazine is compatible with your Enfield #1 MKIII. It is constructed of heat treated steel with injection molded mag follower and mag spring formed from chrome silicone wire.image

Specifications for ProMag Enfield No. 1 MKIII .303 British 10 Round Rifle Magazine:

Manufacturer: ProMag
Color: Blued
Fabric/Material: Steel
Magazine Capacity: 10 Round
Caliber: .303 British
Gun Make: Lee-Enfield
Gun Model: Lee-Enfield No 1 Mk 3
Quantity: 1

Features of ProMag Enfield No. 1 MKIII .303 Rifle Magazine

  • Magazine body constructed of heat treated steel with black oxide finish
  • Stamped steel magazine follower
  • Magazine spring formed from heat treated chrome silicone wire

Package Contents:

  • ProMag Enfield No. 1 MKIII .303 British 10 Round Rifle Magazine

ProMag Enfield No. 1 MKIII .303 British 10 Round Rifle Magazine Orderable Models

List of Orderable Models

  • ProMag Enfield No. 1 MKIII .303 British Rifle Magazine, 10 Round, Blued, 1 Pack, Steel, ENF 06-10RD , MPN: ENF 06 , UPC: 708279005268 , Code: KA0-RM-ENFLDM3RM-ENF-06-10RD
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Last updated 2026-06-27 UTC.