User Ratings
No ratings yet
Be the first to review this product
ProMag COL27 is a reliable replacement or spare detachable magazine designed to fit the Colt M4 chambered in .22 Long Rifle. Built with a durable DuPont Zytel polymer body and an injection-molded magazine follower, it is engineered for consistent feeding and long-lasting performance. The magazine spring is formed from chrome silicone wire for dependable function. Made in the USA. Note: This magazine will not work with Ciener and GI style .22 conversion rifles.
Product Highlights
- Designed to fit the Colt M4 .22 Long Rifle rifle platform
- 10-round capacity for .22 LR ammunition
- Durable DuPont Zytel polymer magazine body with polymer follower
- Magazine spring formed from chrome silicone wire for reliable feeding
- Made in the USA; not compatible with Ciener and GI style .22 conversion rifles
Specs
- Brand: ProMag
- Manufacturer Part Number: COL27
- UPC: 708279013904
- Caliber: .22 Long Rifle (.22 LR)
- Capacity: 10 rounds
- Type: Detachable magazine
- Color: Black
- Body Material: DuPont Zytel polymer
- Follower: Injection-molded polymer
- Spring Material: Chrome silicone wire
- Compatibility: Fits Colt M4 .22 LR; will not work with Ciener and GI style .22 conversion rifles
- Country of Manufacture: USA
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Have one to sell?
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$30.98
Lowest
$30.95
Highest
$30.98
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products
Magpul PMAG GEN M3 AR-15/M16/M4 Magazine 5.56 NATO 30 Round
Magpul
$11.99
Magpul PMAG 10/30 AR/M4 GEN M3 10-Round Magazine, Black 5.56x45 NATO/.223 Rem
Magpul
$13.87
Magpul PMAG GEN M2 5.56mm 30-Round FDE Magazine with Window
Magpul
$11.88
Magpul MAG556-ODG Windowed PMAG 30 Gen M3 5.56/.223 Polymer Magazine OD Green
Magpul
$17.05
Magpul PMAG GEN M3 5.56x45/.223 30rd Window Rifle Magazine - MultiCam Black
Magpul Industries
$13.34
DuraMag Speed AR-15 Magazine 30rd Black Orange Follower
Duramag
$18.49
Magpul PMAG 30 Gen M3 AR-15 Magazine 5.56x45 NATO / .223 Remington
Magpul
$14.95
Magpul PMAG AR/M4 Gen M2 MOE 5.56x45 NATO AR-15 Magazine
Magpul
$9.94
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AK Magazine Fit, Lockup, and Reliability Basics
A practical guide to AK magazine fit, front-to-back lockup, and how magazine variation affects feeding, bolt travel, and real-world reliability.
5 min read
Guide
The AK Platform: Core Design, Strengths, and Builder Tradeoffs
A practical AK overview covering operating system basics, parts ecosystem realities, and where the AK platform shines compared to AR-pattern rifles.
8 min read
Guide
AR-15 Caliber Options Beyond 5.56: What Changes and Why
A neutral overview of common AR-15 caliber paths beyond 5.56, including .300 Blackout, 6.5 Grendel, and .22 LR conversion approaches with practical system tradeoffs.
4 min read