Sig Sauer M400 Predator for sale
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SIG SAUER M400 TREAD PREDATOR 5.56 NATO 16" BARREL 5RD JUNGLE GREEN
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
16in
Caliber:
5.56×45mm NATO
Capacity:
5+1
Finish Per Color:
Jungle Green
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Sig Sauer Sig Sauer Sigm400 Tread Predator, 5.56 Nato, 16" Barrel, Optics Ready, Adjustable Stock, Jungle Finish, 5-Rd RM40016BTRDPRED
Brand:
Sig Sauer
Action:
Semi-Auto
Barrel Length:
16"
Caliber:
5.56×45mm NATO
Capacity:
5
Finish Per Color:
Jungle Green
Frequently Asked Questions
Sig Sauer M400 Predator for sale
How much is the SIG M400 predator?
The SIG M400 Tread Predator line includes the original Tread Predator and the newer Tread Predator 2. The Tread Predator 2 is currently listed at $1,199.99, with sale pricing available. Across 29 retailers carrying two variants, prices for the line range from approximately $912.99 to $1,202.49.
Are SIG M400 good?
SIG M400 rifles are well-regarded for reliability and accuracy. Chambered in 5.56 NATO with a mid-length gas system, they work well for range, defense, and competition. The standard M400 Tread has a decent mil-spec trigger, though select variants offer a competition-grade trigger. Priced around $1,000, they're a solid AR-15 choice.
Is the SIG M400 a 556 or 223?
The SIG M400 is chambered in 5.56 NATO, which also safely accepts .223 Remington ammunition. However, a .223-chambered rifle should not fire 5.56 NATO rounds due to higher pressure. The M400's 5.56 chamber handles both cartridges reliably.
Is the SIG Sauer M400 an AR-15?
Yes, the SIG Sauer M400 is built on the AR-15 platform. It uses a direct impingement operating system and shares the modular design of standard AR-15s, making it compatible with many aftermarket AR parts. SIG offers it as a complete rifle rather than a kit.
When was the SIG M400 made?
SIG Sauer introduced the M400 in 2010. The M400 TREAD variant launched in 2018 and remains in production.
Can I shoot 223 out of my 5.56 AR-15?
Yes. A 5.56 NATO chamber safely fires .223 Remington because .223 operates at lower pressure. The reverse is not safe—5.56 NATO runs at higher pressure than a .223 chamber is rated for. Check your barrel's chamber marking before loading.
Is the SIG M400 full auto rated?
No. The SIG M400 is semi-automatic only, firing one round per trigger pull. It is not rated or designed for full-auto fire.
What handguards fit a SIGM400 tread?
The M400 TREAD uses a proprietary barrel nut that limits compatibility with standard AR-15 handguards. SIG Sauer makes a 15" M-LOK free-float handguard designed specifically for the TREAD. Some third-party options like Midwest Industries handguards are also confirmed compatible. Contact SIG Sauer or TREAD-specific retailers for current options.