Sig Sauer · P365 family
Sig Sauer P365 XMacro
The 17-round carry gun, sharing its magazine with the FUSE, and the one model where our cut data for the -RXSL SKUs is marked likely rather than verified.
Specifications
ModelP365 XMacro
Slide length3.7"
Barrel length3.7"
Integrated compensatorNo
Factory capacity17+1
Grip module familyxmacro
Optic cutRMSc / SIG-LOC Compact
Which optic cut does it have?
The cut is set per SKU, not per model, so the suffix on the box matters. This is read from the same fitment data the guides below use.
Standard SKUsRMSc
SKUs ending in -SL or -RXSLSIG-LOC Compact (likely)
Fit guides
Every optic in these lists is verified against this model’s factory cut, with prices checked against retailer feeds.
Magazines that fit your P365 XMacro
What the maker says fits this model, and how each magazine sits in the grip. A baseplate that extends below the grip adds no rounds: capacity is always shown on its own.
AMAG 15 SG9 P365 9mm 15rd MagazineCapacity 15 rounds
Fits, extends below the grip — Sits slightly below the grip; a little of the silver body shows
Not available in: CA, CT, DC, HI, MA, MD, NJ, NY, RI, WA
AMAG 17 SG9 P365 9mm 17rd MagazineCapacity 17 rounds
Flush fit — Flush with the standard floorplate
Not available in: CA, CO, CT, DC, HI, IL, MA, MD, NJ, NY, RI, VT, WA
P365 9mm 17rd Magazine (All 9mm Models)Capacity 17 rounds
Flush fit — Factory magazine for the XMACRO, XMACRO COMP, AXG and DH3
Not available in: CA, CO, CT, DC, HI, IL, MA, MD, NJ, NY, RI, VT, WA
P365-AXG LEGION 9mm 17rd MagazineCapacity 17 rounds
Flush fit — LEGION alloy basepad installed; factory magazine for the AXG Legion, fits the XMACRO, XMACRO COMP and DH3
Not available in: CA, CO, CT, DC, HI, IL, MA, MD, NJ, NY, RI, VT, WA
TTI SIG X-MACRO Completed Magazine w/ Versatile BasepadCapacity 20 rounds
Fits, extends below the grip — +3 TTI basepad extends below the grip
Not available in: CA, CO, CT, DC, DE, HI, IL, MA, MD, NJ, NY, RI, VT, WA
P365 9mm 21rd MagazineCapacity 21 rounds
Fits, extends below the grip — Extends below the grip; the baseplate meets the grip with no gap
Not available in: CA, CO, CT, DC, DE, HI, IL, MA, MD, NJ, NY, RI, VT, WA
Doesn’t fit the P365 XMacro: AMAG 10 SG9 P365 9mm 10rd Magazine, P365 9mm 10rd Finger Extension Magazine, P365 9mm 10rd Flush Magazine, P365X/XL 9mm 10rd Flush Magazine, AMAG 12 SG9 P365 9mm 12rd Magazine, P365/X/XL 9mm 12rd Magazine, P365/X/XL 9mm 15rd Magazine
Prices update from retailer feeds; a listing we could not verify in the last 7 days shows “Check price”. Gunforma may earn a commission on retailer links. Links to a maker's own store earn us nothing.
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Last reviewed 2026-10-02