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Quick Look

The Colt 733, developed in the 1980s, is a compact carbine variant of the M16 family designed for close-quarters battle. It emphasizes reliability and maneuverability in urban environments. Today, it remains popular among enthusiasts and collectors valuing its historic military role.

Why It's a Top Choice

Compact design for tight spaces
Reliable AR-15 style gas system
Favorable for CQB and tactical use
High aftermarket parts availability
Proven durability in military use

Key Variants

Colt 733 Carbine

Ideal for operators needing a shortened barrel without sacrificing reliability.

Colt 733 Commando

Enhanced for military and law enforcement CQB scenarios requiring compact firepower.

Competitor Comparison Table

Feature	Colt 733	Heckler & Koch MP5	FN Scar PDW
MSRP	Varies (used market)	$3,000+	$2,500+
Capacity/Size	~30 rounds/11.5-inch barrel	15 or 30 rounds/9-inch barrel	20 or 30 rounds/10-inch barrel
Weight	~6.5 lbs	~6.6 lbs	~6.8 lbs
Optics-Ready	Yes (with modifications)	Yes	Yes
Trigger Type	Single-stage semi-auto	Single-stage SA/DA	Modular two-stage
Notable Pro	Military heritage and simplicity	Compact, reliable submachine gun	Modular, versatile design
Notable Con	Limited modern production	9mm lacks stopping power	Heavier than peers

Best Use Cases

Close-quarters combat
Law enforcement
Urban defense
Tactical training
Historical collection

FAQs

Can I use standard AR-15 magazines with the Colt 733?

Yes, the Colt 733 accepts standard AR-15 magazines in 5.56x45mm NATO caliber without modification.

What is the barrel length of the Colt 733?

The Colt 733 typically features an 11.5-inch barrel optimized for close-quarters performance.

How does the Colt 733 compare to an MP5 in reliability?

Both are renowned for reliability. The Colt 733 offers easier maintenance due to AR-15 common parts, while the MP5 uses a closed bolt design.

COLT 733 for Sale