SAG S20242 Los-145 Chassis with AR Mil-Spec Stock Base
- $1 999
In short: SAG S20242 is a lightweight chassis for Los-145 platforms in .308 Win or 9.6 Lancaster, combining an AR Mil-Spec stock base, M-LOK, a full-length ARCA rail, QD ports and the included SAG AR SL grip. The AR stock is selected separately.
Compatibility checkpoint
- Confirmed platform: Los-145.
- Confirmed versions: .308 Win and 9.6 Lancaster, all production years.
- Post-2022 rocking-type models: specialist workshop installation required.
- Los-145 Taktika with 336 mm configuration: specialist workshop installation required.
- Version: S20242 with AR Mil-Spec stock base; AR stock not included.
Selection rule: Choose S20242 when an AR Mil-Spec stock base is required and the stock will be selected separately. S20243 is the separate complete adjustable-stock version.
Purpose
The S20242 provides a stable, configurable Los-145 platform while allowing the user to select a compatible AR Mil-Spec stock separately. The long ARCA interface and multi-position M-LOK layout support varied accessory placement.
Technical specifications
| Main chassis | CNC-milled high-strength aluminum alloy |
|---|---|
| Stock interface | AR Mil-Spec stock base; stock not included |
| Handguard interfaces | M-LOK at 3, 6 and 9 o'clock; full-length ARCA rail |
| Rear-grip interface | AR-pattern base; SAG AR SL grip included |
| QD ports | 3 and 9 o'clock |
| Assembled weight | No more than 850 g |
What's in the Box
| SAG S20242 Los-145 chassis with AR Mil-Spec stock base × 1 | Manufacturer package |
Installation
Bedding the recoil-lug area is recommended. Models produced after 2022 with the rocking-type configuration require specialist workshop installation. The Los-145 Taktika with the 336 mm configuration must also be installed by a specialist to maintain the required assembled length.
Frequently asked questions
Which Los-145 versions fit S20242?
It is confirmed for Los-145 in .308 Win and 9.6 Lancaster across all production years, subject to the stated installation requirements.
Which accessory interfaces are provided?
M-LOK at 3, 6 and 9 o'clock, a full-length ARCA rail, QD ports at 3 and 9 o'clock and an AR-pattern grip base.
Which rear components are included?
S20242 includes the AR Mil-Spec stock base and SAG AR SL grip. The AR stock itself is not included.
When is specialist installation required?
It is required for post-2022 rocking-type models and Los-145 Taktika with the 336 mm configuration.
SAG Specs
General
Mounting & Rails
Kit Contents
Care & Chemicals
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