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Availability: In Stock
The Magpul CTR carbine stock in Flat Dark Earth is a mil-spec drop-in replacement buttstock built for AR-15, M16, and M4 platforms that demand a lightweight, low-profile design without sacrificing shooter comfort or weapon stability. If you're running a carbine with a standard mil-spec receiver extension tube and want to tighten up your setup—whether for tactical work, competition, or field shooting—this is a no-nonsense upgrade that handles the job without fuss or unnecessary bulk.
The CTR's streamlined A-frame profile keeps things sleek and won't catch on gear during transitions or when moving through tight spaces. The shielded release latch prevents snags and accidental activation, while a supplemental friction lock system cranks down on wobble—a real concern when precision and repeatability matter. A removable 0.3-inch rubber butt-pad locks in on your shoulder, resists slippage even over body armor or heavy kit, and can be swapped out if your setup changes. Made in the USA, this stock is TACOM-approved and on the Additional Authorization List for M4/M4A1 carbines.
Mounting is straightforward: it's a mil-spec fit (1.14-inch O.D. buffer tube), so verify your receiver extension size before ordering. The stock collapses to roughly 10.5 inches and extends to about 13.8 inches, giving you a 3.3-inch adjustment range to dial in your length of pull. Flat Dark Earth pairs with nearly any modern AR build and blends with field rifles, patrol setups, and hunters' carbines alike. An ambidextrous QD sling mount on the rear accepts standard push-button swivels, and 1.25-inch sling loops plus a lanyard hole at the toe give you options for how you carry or secure your rifle.
| Brand | Magpul |
| Model | MAG310-FDE (Flat Dark Earth) |
| Platform Compatibility | AR-15, AR-10, M4, M16, M110, SR25 |
| Tube Compatibility | Mil-Spec receiver extension (1.14" O.D.), not included |
| Length of Pull (Collapsed) | ~10.5 inches |
| Length of Pull (Extended) | ~13.8 inches |
| Adjustment Range | 3.3 inches |
| Overall Length (Max) | 6.9 inches |
| Weight | 9.0 oz (stock only); 13.0 oz (with receiver extension) |
| Butt-Pad | Removable 0.3-inch rubber |
| Sling Mount | Ambidextrous QD (rear); accepts up to 1.5-inch swivels |
| Sling Loops | 1.25 inches (rear/bottom) |
| Color | Flat Dark Earth (FDE) |
| Made in | USA |
| NSN | 1005-01-616-4923 |
The Magpul MAG310-FDE CTR is designed for mil-spec receiver extension tubes (1.14-inch O.D.) found on many Colt, Armalite, S&W, LMT, and similar mil-spec carbines. Before ordering, confirm your rifle has a mil-spec buffer tube—not a commercial-spec one. If your carbine uses a commercial-spec tube, you'll need the commercial-spec version of the CTR instead. The receiver extension tube itself is not included with this stock.
No. The stock is a drop-in replacement for an existing mil-spec receiver extension tube, which must be purchased separately if you don't already have one on your rifle.
Yes. The CTR is compatible with Magpul CTR Cheek Risers, which allow you to adjust your cheek weld when running the stock fully extended or on rifles without rear-facing charging handles. It also works with Magpul ASAP and ASAP QD receiver-mount sling attachments.
The CTR collapses to approximately 10.5 inches and extends to about 13.8 inches, giving you a 3.3-inch adjustment range to fit different shooters and layered gear configurations.
SKU: 115647012 • Width: 5.6in • Height: 2.1in • Depth: 7.8in • Weight: 0.8oz
Availability: In Stock
The Magpul CTR carbine stock in Flat Dark Earth is a mil-spec drop-in replacement buttstock built for AR-15, M16, and M4 platforms that demand a lightweight, low-profile design without sacrificing shooter comfort or weapon stability. If you're running a carbine with a standard mil-spec receiver extension tube and want to tighten up your setup—whether for tactical work, competition, or field shooting—this is a no-nonsense upgrade that handles the job without fuss or unnecessary bulk.
The CTR's streamlined A-frame profile keeps things sleek and won't catch on gear during transitions or when moving through tight spaces. The shielded release latch prevents snags and accidental activation, while a supplemental friction lock system cranks down on wobble—a real concern when precision and repeatability matter. A removable 0.3-inch rubber butt-pad locks in on your shoulder, resists slippage even over body armor or heavy kit, and can be swapped out if your setup changes. Made in the USA, this stock is TACOM-approved and on the Additional Authorization List for M4/M4A1 carbines.
Mounting is straightforward: it's a mil-spec fit (1.14-inch O.D. buffer tube), so verify your receiver extension size before ordering. The stock collapses to roughly 10.5 inches and extends to about 13.8 inches, giving you a 3.3-inch adjustment range to dial in your length of pull. Flat Dark Earth pairs with nearly any modern AR build and blends with field rifles, patrol setups, and hunters' carbines alike. An ambidextrous QD sling mount on the rear accepts standard push-button swivels, and 1.25-inch sling loops plus a lanyard hole at the toe give you options for how you carry or secure your rifle.
| Brand | Magpul |
| Model | MAG310-FDE (Flat Dark Earth) |
| Platform Compatibility | AR-15, AR-10, M4, M16, M110, SR25 |
| Tube Compatibility | Mil-Spec receiver extension (1.14" O.D.), not included |
| Length of Pull (Collapsed) | ~10.5 inches |
| Length of Pull (Extended) | ~13.8 inches |
| Adjustment Range | 3.3 inches |
| Overall Length (Max) | 6.9 inches |
| Weight | 9.0 oz (stock only); 13.0 oz (with receiver extension) |
| Butt-Pad | Removable 0.3-inch rubber |
| Sling Mount | Ambidextrous QD (rear); accepts up to 1.5-inch swivels |
| Sling Loops | 1.25 inches (rear/bottom) |
| Color | Flat Dark Earth (FDE) |
| Made in | USA |
| NSN | 1005-01-616-4923 |
The Magpul MAG310-FDE CTR is designed for mil-spec receiver extension tubes (1.14-inch O.D.) found on many Colt, Armalite, S&W, LMT, and similar mil-spec carbines. Before ordering, confirm your rifle has a mil-spec buffer tube—not a commercial-spec one. If your carbine uses a commercial-spec tube, you'll need the commercial-spec version of the CTR instead. The receiver extension tube itself is not included with this stock.
No. The stock is a drop-in replacement for an existing mil-spec receiver extension tube, which must be purchased separately if you don't already have one on your rifle.
Yes. The CTR is compatible with Magpul CTR Cheek Risers, which allow you to adjust your cheek weld when running the stock fully extended or on rifles without rear-facing charging handles. It also works with Magpul ASAP and ASAP QD receiver-mount sling attachments.
The CTR collapses to approximately 10.5 inches and extends to about 13.8 inches, giving you a 3.3-inch adjustment range to fit different shooters and layered gear configurations.
SKU: 115647012 • Width: 5.6in • Height: 2.1in • Depth: 7.8in • Weight: 0.8oz