Rifleman Q&A: When Did M1 Carbines Get Bayonet Lugs?

by
posted on February 9, 2021
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
lugs.jpg

Q: I recently purchased an M1 carbine manufactured by Quality Hardware that has a bayonet lug. Is this part original to the gun or was it added later?

A: It was added later. More than 6 million M1 carbines were made over the course of the war, with production starting in mid-1942. The so-called “Type 3” (T4) barrel band with the integral bayonet lug was standardized in late 1944. By this time, the only carbine prime contractors still in production were Winchester Repeating Arms and the Inland Mfg. Division of General Motors.

The barrel bands with bayonet lugs were used in the last few months of production on M1 and M2 carbines manufactured by the two companies, and none of the carbines made by the other prime contractors left the factory with bayonet lugs.

Most of the carbines seen today, however, were subjected to the extensive post-war arsenal overhauls. That resulted in many of the original factory parts—especially barrel bands and rear sights—being replaced by later-pattern parts.

By the time production ceased in August 1945, Inland Mfg. Division of General Motors had produced 2,362,097 M1 carbines. Winchester made 828,059, followed by Underwood Elliott-Fisher at 545,616, Saginaw Steering Gear 517,212, IBM at 346,500, Standard Products at 247,000, Rock-Ola (yes, the juke box maker), with 228,500, Quality Hardware at 359,666, National Postal Meter at 413,017 and Irwin-Pedersen made a few thousand.

Latest

Hk G36 22Lr 1
Hk G36 22Lr 1

Gun of the Week: Heckler & Koch G36 .22 LR

Due to Germany's strict firearm-export laws, along with U.S. firearm import laws, the closest any HK fan could get to owning a real G36 was in the form of the HK SL8. Now, though, Heckler & Koch has introduced its G36 .22 LR, which, profile-wise, is a G36 in all but chambering.

The Armed Citizen® July 17, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

Standing Strong for Colorado’s Law-Abiding Gun Owners Ahead of Critical Midterms

NRA EVP Doug Hamlin and NRA-ILA Executive Director John Commerford traveled to Denver this week to discuss gun rights.

A Visit to the New Smith & Wesson Academy

Let the training (re)commence at Smith & Wesson's new Academy in Tennessee.

New for 2026: Leupold LCO Pro F2 Red-Dot Sight

The optic giant has updated its flagship red-dot sight with a host of upgraded features.

Rifleman Review: Heckler & Koch CC9

When Heckler & Koch USA launched its micro-compact CC9, it proved to be one of the most robustly built micro-compact handguns yet made.

Interests



Get the best of American Rifleman delivered to your inbox.