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The Midwest Industries SP Series 12.625-inch handguard was built for one main job: giving your AR-15 the clearance it needs to run a suppressor without turning your support hand into a hot plate. It's a one-piece free float design machined from 6061 aluminum and finished in a black hard coat anodize, which is the kind of coating that shrugs off years of range trips and rough handling. The inside diameter runs 1.75 inches with a 2-inch outside diameter, leaving room for an over-barrel can while keeping the profile slim enough to feel natural in your hands.
You get seven sides of M-LOK slots running the length of the rail, so mounting a light, sling point, hand stop, or bipod is a matter of picking your spot. Up top there's a full-length MIL-STD 1913 Picatinny rail that's T-marked, which makes it easy to remount optics and back-up irons to the exact same position every time. The subtle divots along the body add real grip texture without chewing up your palm, and folks running suppressed pistols and SBRs consistently point to how much better their rifle handles once the heat is off their fingertips.
This handguard fits standard forged upper receivers as well as the Midwest Industries billet upper, and it ships with the barrel nut plus a barrel nut wrench so you're not hunting for extra tools. Installation is straightforward for anyone who's mounted a free float rail before, and Midwest has an install video on their site if it's your first rodeo. Keep in mind it's designed for direct impingement AR platforms, not gas piston guns.
Midwest Industries has earned a solid reputation for fit and finish, and this rail is 100% made in the USA and backed by their lifetime warranty. Whether you're building a suppressed home-defense gun or just want more room to spread out your accessories, the SP Series is a dependable pick that punches above its weight.
Yes, that's the whole point of the SP Series design. With a 1.75-inch inside diameter and 2-inch outside diameter, it leaves room to run an over-barrel can. Users report that on a suppressed pistol or SBR it keeps their support hand off the hot barrel while still leaving a few inches of the suppressor exposed for easy removal.
It's compatible with standard forged upper receivers and the Midwest Industries billet upper receiver. Because billet uppers vary in dimension from brand to brand, it's worth confirming fit with your upper manufacturer if you're running an aftermarket billet receiver. It is not designed for gas piston AR platforms.
It does. The package includes the barrel nut, a barrel nut wrench, all mounting hardware, and one 5-slot Magpul M-LOK polymer rail section. If you've installed a free float rail before, it's a straightforward job, and Midwest Industries offers an install video on their website if you want a walkthrough.
Quite a bit. You get seven sides of M-LOK slots running along the length of the rail plus a full-length MIL-STD 1913 Picatinny top rail that's T-marked for repeatable accessory placement. That gives you plenty of room for lights, lasers, sling mounts, bipods, hand stops, and back-up iron sights.
| UPC | 816537013662 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MISP12M |
| Color | Black |
| Length | 12 |
| Model | |
| Product Type | Handguard |
| Shipping Weight | 1.425 |
| Style | M-LOK |
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