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Crosstac
The Crosstac Single-Point Sling Adapter is a low-profile mounting solution designed for carbines and tactical shotguns built on M4 collapsible stocks. If you run a single-point sling on an AR-platform rifle or shotgun conversion, this adapter solves the real-world problems of sling placement: it centers the attachment loop under the receiver extension nut, keeping it completely out of the way so it won't catch on gear, brush, clothing, or your own sling. That placement also means zero interference with your safety selector, which matters when you're transitioning or working the controls under pressure.
Built from precision-machined steel and finished in Parkerized dark gray, the adapter wears like a rifle part—no shiny finish to catch light or stand out. The construction is rugged enough for field use, whether you're running a dedicated carbine, a shotgun conversion, or a hybrid setup. It accepts the common sling attachment hardware you likely already own: MASH hooks, HK-style connectors, and ZM-pattern clasps. That compatibility means you're not locked into a proprietary ecosystem.
What makes this different from generic sling loops is the engineering of the hang itself. When you release the sling, the adapter lets the rifle stay flat against your body instead of rotating or swinging away—critical if you need to transition to a pistol or perform admin tasks. At the same time, it's designed so you can re-grip and bring the rifle back into action without fumbling or fighting the attachment. Fits both mil-spec and commercial buffer tubes, so whether your stock is standard AR or shotgun-configured, this adapter works.
| Brand | Crosstac |
| Type | Single-Point Sling Adapter Plate |
| Compatibility | M4 collapsible buttstocks (mil-spec and commercial buffer tubes) |
| Attachment Hardware | MASH hooks, HK connectors, ZM-style clasps |
| Material | Steel, Parkerized finish |
| Designed For | Carbines and M4-based shotgun conversions |
Yes. The adapter is designed to fit M4-type collapsible stocks, including shotgun conversions that use the M4 receiver extension tube, on both mil-spec and commercial buffer tubes.
It works with most common sling hooks and connectors, including MASH hooks, H&K-style connectors, and ZM-pattern clasps. If your sling uses one of these standard interfaces, you're set.
Centering the loop there keeps it out of the way of your safety selector and all the snag points—gear, brush, or the sling itself—that can interfere with weapon handling. It also helps the rifle hang flat against your body when the sling is released.
Yes, the design allows ambidextrous attachment for single-point sling configurations.
Crosstac
The Crosstac Single-Point Sling Adapter is a low-profile mounting solution designed for carbines and tactical shotguns built on M4 collapsible stocks. If you run a single-point sling on an AR-platform rifle or shotgun conversion, this adapter solves the real-world problems of sling placement: it centers the attachment loop under the receiver extension nut, keeping it completely out of the way so it won't catch on gear, brush, clothing, or your own sling. That placement also means zero interference with your safety selector, which matters when you're transitioning or working the controls under pressure.
Built from precision-machined steel and finished in Parkerized dark gray, the adapter wears like a rifle part—no shiny finish to catch light or stand out. The construction is rugged enough for field use, whether you're running a dedicated carbine, a shotgun conversion, or a hybrid setup. It accepts the common sling attachment hardware you likely already own: MASH hooks, HK-style connectors, and ZM-pattern clasps. That compatibility means you're not locked into a proprietary ecosystem.
What makes this different from generic sling loops is the engineering of the hang itself. When you release the sling, the adapter lets the rifle stay flat against your body instead of rotating or swinging away—critical if you need to transition to a pistol or perform admin tasks. At the same time, it's designed so you can re-grip and bring the rifle back into action without fumbling or fighting the attachment. Fits both mil-spec and commercial buffer tubes, so whether your stock is standard AR or shotgun-configured, this adapter works.
| Brand | Crosstac |
| Type | Single-Point Sling Adapter Plate |
| Compatibility | M4 collapsible buttstocks (mil-spec and commercial buffer tubes) |
| Attachment Hardware | MASH hooks, HK connectors, ZM-style clasps |
| Material | Steel, Parkerized finish |
| Designed For | Carbines and M4-based shotgun conversions |
Yes. The adapter is designed to fit M4-type collapsible stocks, including shotgun conversions that use the M4 receiver extension tube, on both mil-spec and commercial buffer tubes.
It works with most common sling hooks and connectors, including MASH hooks, H&K-style connectors, and ZM-pattern clasps. If your sling uses one of these standard interfaces, you're set.
Centering the loop there keeps it out of the way of your safety selector and all the snag points—gear, brush, or the sling itself—that can interfere with weapon handling. It also helps the rifle hang flat against your body when the sling is released.
Yes, the design allows ambidextrous attachment for single-point sling configurations.
