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- Color:
- Black
- Length:
- 4.4 mm
Code: 4VI-3AK-GHNVN16-ST-7-SM-4-5
MPN: ST-7+SM-4.5
Product Info for JMac Customs ST-7 Skeletonized Tube for Compact M4 Stocks for 4.5mm Folding AK's
(S)keletonized(T)ube(7)inches long- NO MOUNT INCLUDED![]()
This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! (With proper folding adapter)
Fits most mil-spec M4 style stocks/braces
Lightweight and Rigid
Integrated QD Sling Sockets, access with stock completely collapsed
7 Length - LOP approximately 8-11.35 inches
Compatible with SIG folding mechanisms
7075 T6 Aluminum
Type III Hardcoat Anodized
Allows 2 bolt installation on MRKT folding mech for ultimate strength
This is not compatible with firearms that need a buffer tube to function
Some M4 style stocks use tension tabs designed for standard buffer tubes to mitigate movement. These will work on our Skeletonized Tubes however you may experience some wiggle.
Requires a mount or folding mech to install!
Attaching a stock to a pistol makes it an SBR and requires NFA approval. You are responsible for knowing and following your local/state/federal laws!
JMac Customs LLC is not responsible for the end users misuse of our products.
SM-4.5 adapters utilize the factory rear trunnions and eliminate the need for additional adapters or folding mechs.
This version of the SM stock/brace adapter is specifically made for 4.5mm pin folding stocks. 4.5mm trunnions can be found in the SLR 104/106/107 UR/CR/FR. This stock adapter, like the rest of the SM line, will allow you to install all of our Arm Bar and Stocks as well as SIG style stocks. Cheek wield is adjustable by moving the stock/brace up or down on the adapter.
2 height positions
Compatible with all of our SS/AB/ST options as well as SIG stocks
7075 aluminum
Black hardcoat anodize finish
Includes mounting bolt for lower hole
May require fitting on Palmetto State Armory 4.5mm trunnions.
Does not lock in the folded position. (See RSA-4.5 + FM-SM-1913 Folding Mech if you require your stock/brace to lock when folded)
Specifications for JMac Customs ST-7 Skeletonized Tube for Compact M4 Stocks for 4.5mm Folding AK's:
| Manufacturer: | JMac Customs |
| Color: | Black |
| Length: | 4.4 mm |
Features of JMac Customs ST-7 Skeletonized Tube for Compact M4 Stocks for 4.5mm Folding AK's
- Fits most mil-spec M4 style stocks/braces
- Lightweight and Rigid
- Integrated QD Sling Sockets, access with stock completely collapsed
- 7in Length - LOP approximately 8-11.35 inches
- Compatible with SIG folding mechanisms
- Allows 2 bolt installation on MRKT folding mech for ultimate strength
- This is not compatible with firearms that need a buffer tube to function
- Clamps on any "1913" or "Picatiny" Rail
- Works with all of our ArmBar, Skeleton Stocks and Skeleton Tubes
- Works with SIG MPX/MCX folding braces/stocks
- Folds Left or Right
- Has 2 height adjustments
- 4140 HT
- Torque spec: 20 in/lb.
- Adds approx .5" to stock/brace length
- Allows your stock/brace to lock in the folded position
- Attaching a stock to a pistol makes it an SBR and requires NFA approval. You are responsible for knowing and following your local/state/federal laws!
Package Contents:
- JMac Customs ST-7 Skeletonized Tube for Compact M4 Stocks for 4.5mm Folding AK's
JMac Customs ST-7 Skeletonized Tube for Compact M4 Stocks for 4.5mm Folding AK's Orderable Models
List of Orderable Models
- JMac Customs ST-7 Skeletonized Tube for Compact M4 Stocks for 4.5mm Folding AK's, Black, ST-7+SM-4.5 , MPN: ST-7+SM-4.5 , Code: 4VI-3AK-GHNVN16-ST-7-SM-4-5